\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "10", "link_map": {"/zh/docs/10/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/10/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "4b057c1dbdd4e010d24cdc584e103299047f5e6e3ec03258277eba4dc6566bd0", "content_hash": "02db4e513c84dd3d66adb09fb84785bf5de6574ef4a6d3ce4d59df93b62c91fc", "source_database": "center", "source_revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/10/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/10/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/10/libpq-envars.html", "method": "same-major semantic node", "sha256": "56efca8d413009f717bd99f94ab808040a7eb49606882cc85485bbfec4619f1a", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[22]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/10/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "6b8334d15f0f994e6ff4d5737cd83a42dd99bb9df772cc68e9a52f4334fcdbdf", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/10/facts/0/label": "Client library", "/versions/10/facts/1/label": "Manual definition", "/versions/10/facts/1/value": "Documented", "/versions/10/facts/2/label": "Source environment fallback", "/versions/10/facts/3/label": "Compiled fallback expression", "/versions/10/tables/0/title": "Environment fallback", "/versions/10/related/0/label": "Connection service file", "/versions/10/related/1/label": "Password file", "/versions/10/related/2/label": "All libpq environment variables", "/versions/10/sections/0/title": "Default resolution and service-file precedence", "/versions/10/sections/1/title": "Environment variable evidence", "/versions/10/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/10/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/10/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/10/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/10/tables/0/columns/0/label": "Variable", "/versions/10/tables/0/columns/1/label": "Documented behavior", "/versions/10/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9471522a5546a3a933bb7c2e0d3e9f9c3953dfe6e25cf9d12a7af4ce280337a5", "canonical_center_text_hash": "02db4e513c84dd3d66adb09fb84785bf5de6574ef4a6d3ce4d59df93b62c91fc"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "11": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 11.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/11/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/11/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/11/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/11/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/11/postgresql-11-A4.pdf", "bytes": 13057499, "pages": 2732, "sha256": "41d75855e610d0d9b8802b87dc5b080bef8d7e91c7cf69401fbf8d3cf801b4b5", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/11/postgresql-11-US.pdf", "bytes": 12961189, "pages": 2883, "sha256": "6a8899ef36935a5b7ed2b436207564a567a4ef1eb1c2200195876b8de4d4fa30", "built_at": "2026-09-26"}}, "tree": "11", "index": "index.html", "major": "11", "pages": 1125, "release": "11.22", "source_url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f", "evidence_kind": "English manual and source declarations", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "11.22 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "51609c4e32eec49656c45de2c14a8ad69e10c9b3300bc9c57658857fcee1d824"}, {"url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "11.22 libpq connection option declarations", "sha256": "89673096491d2ff370af0e614e035336cba52c14107a4ea22bb0ed234fa1c684", "archive_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, {"url": "/docs/11/libpq-envars.html", "file": "libpq-envars.html", "label": "11.22 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "0012607dbb5e04e9ed34fd34a0eb8de14f0a6f5cb07fe95ca868fb2fddf426b5"}, {"url": "/docs/11/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "11.22 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "c0f63b0b0757a3ca6f35c8f6617ee3850d5536c11fabc4fa747ad18467a26f6f"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "c56d88326294289fefbb3832b705492bd33e8d8b450b09b2850ace417b77fec7", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "349d6ac2555adbb83375d26a2ef95a8e8b1cacf4d57e5ff5e0eeb9a0f045193b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 11.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "11", "text_hash": "ee6ae1d676059794b817da88beb832e1d8e1959a637e959f159303c74b4d5ca3", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 11.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/11/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "c56d88326294289fefbb3832b705492bd33e8d8b450b09b2850ace417b77fec7", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "349d6ac2555adbb83375d26a2ef95a8e8b1cacf4d57e5ff5e0eeb9a0f045193b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "11", "link_map": {"/zh/docs/11/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/11/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "8436ff16d2a783b6e6d5ad3bc270f9382b89ad3f422f9676bf5de4ca4cbc0c30", "content_hash": "ee6ae1d676059794b817da88beb832e1d8e1959a637e959f159303c74b4d5ca3", "source_database": "center", "source_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/11/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/11/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/libpq-envars.html", "method": "same-major semantic node", "sha256": "241bdfa477deab32c613f06960089b27077afab17eb7b335b76d77a3bdfa2b43", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[22]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/11/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "75b71911d8a339c968c0b84531b4ac1922b3eac509a3aa0f899773ed1ad6d494", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/11/facts/0/label": "Client library", "/versions/11/facts/1/label": "Manual definition", "/versions/11/facts/1/value": "Documented", "/versions/11/facts/2/label": "Source environment fallback", "/versions/11/facts/3/label": "Compiled fallback expression", "/versions/11/tables/0/title": "Environment fallback", "/versions/11/related/0/label": "Connection service file", "/versions/11/related/1/label": "Password file", "/versions/11/related/2/label": "All libpq environment variables", "/versions/11/sections/0/title": "Default resolution and service-file precedence", "/versions/11/sections/1/title": "Environment variable evidence", "/versions/11/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/11/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/11/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/11/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/11/tables/0/columns/0/label": "Variable", "/versions/11/tables/0/columns/1/label": "Documented behavior", "/versions/11/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "1e4efc8de1b63c9f97d3872b796138ceb351574d006de8d708672a370054f2f0", "canonical_center_text_hash": "ee6ae1d676059794b817da88beb832e1d8e1959a637e959f159303c74b4d5ca3"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "12": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 12.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/12/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/12/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/12/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/12/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/12/postgresql-12-A4.pdf", "bytes": 13424351, "pages": 2803, "sha256": "7422cf53fd1939e7a3d2925231a88b0330e468afa5393627cac0ff86158a0621", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/12/postgresql-12-US.pdf", "bytes": 13322565, "pages": 2958, "sha256": "51f3b04e72907fc38512685946223452ea65f84419c60c66241dfa3396035e77", "built_at": "2026-09-26"}}, "tree": "12", "index": "index.html", "major": "12", "pages": 1131, "release": "12.22", "source_url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "svg_assets": 2, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4", "evidence_kind": "English manual and source declarations", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "12.22 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "600a43dc93518d62d1c83c8b09d4b695bf1a04e4a5a58b239dc9aa287e83f3d2"}, {"url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "12.22 libpq connection option declarations", "sha256": "c7b1ad8e03dd5655cabab7572b0a3dc3c9d0f8f1646a5d03a92cd4edbb1d021b", "archive_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, {"url": "/docs/12/libpq-envars.html", "file": "libpq-envars.html", "label": "12.22 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "e4c92c7bbed845b27426c607f96d549f30096a977454ed19608451a26bfb93cb"}, {"url": "/docs/12/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "12.22 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "dc1adeb371e8a783b184c80e9708982e1e44a9da311604009643b12cb41a600c"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "b5303a25dcd8d7ea2e04d2d44f4bfe25a67d6f90b6e8cc85e430fe9b6f81137e", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "8fe840e221916758c0a15dbf7b491f979444694f59206ec900e5672b4a271814", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 12.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "12", "text_hash": "213bc578371e2dbbfacac61429ee5ea5194c5d963f53d43229d14e1e22748c22", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 12.22"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/12/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "b5303a25dcd8d7ea2e04d2d44f4bfe25a67d6f90b6e8cc85e430fe9b6f81137e", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "8fe840e221916758c0a15dbf7b491f979444694f59206ec900e5672b4a271814", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "12", "link_map": {"/zh/docs/12/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/12/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "c372a2a043f98c92f8199ded4a641907e1cfd4bc2ec1bccdf9208b1dc110b575", "content_hash": "213bc578371e2dbbfacac61429ee5ea5194c5d963f53d43229d14e1e22748c22", "source_database": "center", "source_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/12/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/12/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/12/libpq-envars.html", "method": "same-major semantic node", "sha256": "9bba02c535ea735e2ff43bd82abaded83cea478820a503ba3403efd95091d864", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[23]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/12/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "7c85a7191f248107e24b48136836ccf7d6b47dfb718db2f8673ea5e19056492b", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/12/facts/0/label": "Client library", "/versions/12/facts/1/label": "Manual definition", "/versions/12/facts/1/value": "Documented", "/versions/12/facts/2/label": "Source environment fallback", "/versions/12/facts/3/label": "Compiled fallback expression", "/versions/12/tables/0/title": "Environment fallback", "/versions/12/related/0/label": "Connection service file", "/versions/12/related/1/label": "Password file", "/versions/12/related/2/label": "All libpq environment variables", "/versions/12/sections/0/title": "Default resolution and service-file precedence", "/versions/12/sections/1/title": "Environment variable evidence", "/versions/12/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/12/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/12/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/12/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/12/tables/0/columns/0/label": "Variable", "/versions/12/tables/0/columns/1/label": "Documented behavior", "/versions/12/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b37b829bba0f1c797d1c629176ef8a872f70c635c2cf88c6135e16e333f050fd", "canonical_center_text_hash": "213bc578371e2dbbfacac61429ee5ea5194c5d963f53d43229d14e1e22748c22"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "13": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 13.23"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/13/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/13/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/13/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/13/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/13/postgresql-13-A4.pdf", "bytes": 13843239, "pages": 2826, "sha256": "171cc09f90936dbc1cbd503a98ff07ae72ea58ab9771ff051313f1217737799c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/13/postgresql-13-US.pdf", "bytes": 13739572, "pages": 2984, "sha256": "48d09c6e197d9db4220f41afe83efe848a8661b1b168d3b89419751ecaf6c24d", "built_at": "2026-09-26"}}, "tree": "13", "index": "index.html", "major": "13", "pages": 1139, "release": "13.23", "source_url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6", "evidence_kind": "English manual and source declarations", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "13.23 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "2e9c70e9aed0c3850c1af1c7680be465582020bb8c2dfcb009fb9ffe3cd194b6"}, {"url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "13.23 libpq connection option declarations", "sha256": "406a116bf54e8afc41f76cf0ad669713e981140c9940b54afad98e7393467e9d", "archive_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, {"url": "/docs/13/libpq-envars.html", "file": "libpq-envars.html", "label": "13.23 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "1125e5a919204ff2f54691c1558a08efd818f206f6175cadba3cf6cbc17679bb"}, {"url": "/docs/13/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "13.23 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "d31c36b3039250e7d190706f7b777328c01980795deb0440063c4bfcef125794"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "f24d812a2fe9be43c5370dfeb39b09df0d6182d8bab4845306d2420e3e3444a2", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "eaccae3a03d7a594281fc75d5915635c84ac6361520af43c74b0001c57f5920b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 13.23"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "13", "text_hash": "3df726634451d215e125d34dd4a6e5e46331339bddc9db0b7e7c9f394524da53", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 13.23"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/13/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "f24d812a2fe9be43c5370dfeb39b09df0d6182d8bab4845306d2420e3e3444a2", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "eaccae3a03d7a594281fc75d5915635c84ac6361520af43c74b0001c57f5920b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "13", "link_map": {"/zh/docs/13/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/13/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "11f0c50552cc705edf0cc0f428da804eb4c10a1d9176a30af25b90d9f5fa4c13", "content_hash": "3df726634451d215e125d34dd4a6e5e46331339bddc9db0b7e7c9f394524da53", "source_database": "center", "source_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/13/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/13/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/libpq-envars.html", "method": "same-major semantic node", "sha256": "37579b6a9d7ad440f343971936ecd2c3935b572a9b756ae5dd257c4004f3f008", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[26]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/13/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "e9f777dc2f7218013fb5d63e3b2c81acf8a8c2e6fe7c0c7f6dd82f15f9632bf4", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/13/facts/0/label": "Client library", "/versions/13/facts/1/label": "Manual definition", "/versions/13/facts/1/value": "Documented", "/versions/13/facts/2/label": "Source environment fallback", "/versions/13/facts/3/label": "Compiled fallback expression", "/versions/13/tables/0/title": "Environment fallback", "/versions/13/related/0/label": "Connection service file", "/versions/13/related/1/label": "Password file", "/versions/13/related/2/label": "All libpq environment variables", "/versions/13/sections/0/title": "Default resolution and service-file precedence", "/versions/13/sections/1/title": "Environment variable evidence", "/versions/13/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/13/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/13/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/13/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/13/tables/0/columns/0/label": "Variable", "/versions/13/tables/0/columns/1/label": "Documented behavior", "/versions/13/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "02fff301b5350bf3d06474dbf05086088866feff948f995d9efca8413d8098b5", "canonical_center_text_hash": "3df726634451d215e125d34dd4a6e5e46331339bddc9db0b7e7c9f394524da53"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "14": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 14.24"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/14/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/14/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/14/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/14/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/14/postgresql-14-A4.pdf", "bytes": 14354704, "pages": 2944, "sha256": "8bc6b9dd7b246888bb77f0a5e8c39a2eae52e9926569832669c7d1600becb27c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/14/postgresql-14-US.pdf", "bytes": 14242178, "pages": 3102, "sha256": "b7ecb5a5f62d8b9f73a69e25a7d26ba285373bc53168a553bff7b77955506db4", "built_at": "2026-09-26"}}, "tree": "14", "index": "index.html", "major": "14", "pages": 1158, "release": "14.24", "source_url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae", "evidence_kind": "English manual and source declarations", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "14.24 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "4cacc729dd3093cfa7b6528d9a22800392070b8eba1106da9a3d540629ae98a8"}, {"url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "14.24 libpq connection option declarations", "sha256": "8dbe7c41927bd93713fce72495616fab20f888775fc95c01a6f2f710087caff7", "archive_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, {"url": "/docs/14/libpq-envars.html", "file": "libpq-envars.html", "label": "14.24 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "0222834e8076ac3a09545133c2a98dbfdd094dc589bcea847934931d1903a76f"}, {"url": "/docs/14/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "14.24 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "0208611ef07704d22d30b69db7132fb062f8caf3a3bd38a77f23c3696a447cb9"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "e18bf66565a3690c50cab9e876db3c77aa26a90e0db56e502f8605e9b4dcb826", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "9e38e0116bdb8f3f5c059dd7db34f548121776984a9b066056ef1713feaf0077", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 14.24"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "14", "text_hash": "18122df32384d9dced57c8b40ae327ad52ac0975fec55740bac0c65bf37faef0", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 14.24"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/14/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "e18bf66565a3690c50cab9e876db3c77aa26a90e0db56e502f8605e9b4dcb826", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "9e38e0116bdb8f3f5c059dd7db34f548121776984a9b066056ef1713feaf0077", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "14", "link_map": {"/zh/docs/14/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/14/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "026b1c1544716f0ee214a906f34162741b69c64cb82d2dd4fb9a7e16fd0a1c38", "content_hash": "18122df32384d9dced57c8b40ae327ad52ac0975fec55740bac0c65bf37faef0", "source_database": "center", "source_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/14/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/14/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/libpq-envars.html", "method": "same-major semantic node", "sha256": "7730429c9ed41dfd04210ac6c4c11ecb7dae5cd8ef5e7f5224e53a02eb8e7219", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[28]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/14/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "ca623924f7c1365661a6549a08305bb467cd63207e63c2fff50f51124d070ace", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/14/facts/0/label": "Client library", "/versions/14/facts/1/label": "Manual definition", "/versions/14/facts/1/value": "Documented", "/versions/14/facts/2/label": "Source environment fallback", "/versions/14/facts/3/label": "Compiled fallback expression", "/versions/14/tables/0/title": "Environment fallback", "/versions/14/related/0/label": "Connection service file", "/versions/14/related/1/label": "Password file", "/versions/14/related/2/label": "All libpq environment variables", "/versions/14/sections/0/title": "Default resolution and service-file precedence", "/versions/14/sections/1/title": "Environment variable evidence", "/versions/14/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/14/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/14/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/14/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/14/tables/0/columns/0/label": "Variable", "/versions/14/tables/0/columns/1/label": "Documented behavior", "/versions/14/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "0226cf382fe1fbcf397888a872c98adcbaa7e57e821586b62d23d5e97a78a916", "canonical_center_text_hash": "18122df32384d9dced57c8b40ae327ad52ac0975fec55740bac0c65bf37faef0"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "15": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 15.19"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/15/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/15/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/15/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/15/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/15/postgresql-15-A4.pdf", "bytes": 14609140, "pages": 2987, "sha256": "66228564a4d16efb47d6a914085716ecfe22ca1566db56bc7c3d82f790646d72", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/15/postgresql-15-US.pdf", "bytes": 14495690, "pages": 3153, "sha256": "645a498c2390d47a6223ec74770631185807a19c484edb0fc5a295d9f460bc02", "built_at": "2026-09-26"}}, "tree": "15", "index": "index.html", "major": "15", "pages": 1168, "release": "15.19", "source_url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545", "evidence_kind": "English manual and source declarations", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "15.19 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "64a9c015aa67f085bd343fc47439d7a15fd8b6583b0d6f3cf94d7bb94b6f544a"}, {"url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "15.19 libpq connection option declarations", "sha256": "63bd4ab01b7161916c0a86a4510f36d287c3ef4e78910568cde611bb925dd9f2", "archive_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, {"url": "/docs/15/libpq-envars.html", "file": "libpq-envars.html", "label": "15.19 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "2744c085549e5c53c9cde2147b57b93387276297bb0f545bdf7838595878100d"}, {"url": "/docs/15/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "15.19 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "7081175cdd79775d0be65f2af8751f386ea5a006c3f185699be5f7bd1097321b"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "ba1d90546a698e7428daee0915be4d5295366f9725dded5cca998c3ec0b1c5d0", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "0b8a18b87bb598d10fb6d0cc436bbfe4ab93435c6a153ae0ca0ce762d5cd7c5e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 15.19"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "15", "text_hash": "c11c23a2888640a1c295bd446e8e58e841ced0b0ce54f70fa46a1537bfc9d807", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 15.19"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/15/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "libpq.html", "extraction": "exact-definition", "source_hash": "ba1d90546a698e7428daee0915be4d5295366f9725dded5cca998c3ec0b1c5d0", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "0b8a18b87bb598d10fb6d0cc436bbfe4ab93435c6a153ae0ca0ce762d5cd7c5e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "15", "link_map": {"/zh/docs/15/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/15/libpq.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "2cd7191eb36415ed9157e5f435a314f7d1aa1c4822f2b8361fa13adcecdc9e3c", "content_hash": "c11c23a2888640a1c295bd446e8e58e841ced0b0ce54f70fa46a1537bfc9d807", "source_database": "center", "source_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/15/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/15/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/libpq-envars.html", "method": "same-major semantic node", "sha256": "9cc15a47821a9748b9115ad8cbe122178c733cf61ffd24595efd8a31fe10caea", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[28]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/15/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "26185a5568858f5dd3ac13624ca83483003538fdce81ed3d60749cfa52a4f47d", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/15/facts/0/label": "Client library", "/versions/15/facts/1/label": "Manual definition", "/versions/15/facts/1/value": "Documented", "/versions/15/facts/2/label": "Source environment fallback", "/versions/15/facts/3/label": "Compiled fallback expression", "/versions/15/tables/0/title": "Environment fallback", "/versions/15/related/0/label": "Connection service file", "/versions/15/related/1/label": "Password file", "/versions/15/related/2/label": "All libpq environment variables", "/versions/15/sections/0/title": "Default resolution and service-file precedence", "/versions/15/sections/1/title": "Environment variable evidence", "/versions/15/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/15/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/15/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/15/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/15/tables/0/columns/0/label": "Variable", "/versions/15/tables/0/columns/1/label": "Documented behavior", "/versions/15/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "75628328095a0125ea07ea8ac782441855cdc4097ac2db13f7302ee664a90779", "canonical_center_text_hash": "c11c23a2888640a1c295bd446e8e58e841ced0b0ce54f70fa46a1537bfc9d807"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "16": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 16.15"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/16/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/16/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/16/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/16/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/16/postgresql-16-A4.pdf", "bytes": 15282337, "pages": 3055, "sha256": "4bb6c1f63deedac98736d8c4c7bc0fad0ac24e85b07e21ee10411872f06afd06", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/16/postgresql-16-US.pdf", "bytes": 15164148, "pages": 3220, "sha256": "5b6b6166c89991199e144bb0ae34c17a5f29826251dbf19db1abc0df3a3e771b", "built_at": "2026-09-26"}}, "tree": "16", "index": "index.html", "major": "16", "pages": 1169, "release": "16.15", "source_url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef", "evidence_kind": "English manual and source declarations", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "16.15 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "a88a6c8f0e2229b1e469ca3fcf95d6cba163af369f2c232c04c07ba0a5b64242"}, {"url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "16.15 libpq connection option declarations", "sha256": "ccc43473f7a01820f1ef625a8704548db03499bdee02ef943adbd1329f17f9e7", "archive_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, {"url": "/docs/16/libpq-envars.html", "file": "libpq-envars.html", "label": "16.15 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "2dd3190c2f6b9e0d3051b7cc325bb30dad84b29e53035680aa622409ad00fe28"}, {"url": "/docs/16/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "16.15 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "d636639599c1db7c0eb9da6c188abfbf7c590bb2ae9367e7fff05863bb9bd0db"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "e94646fde062a12d5f7b2ec2dc8f1a89fa303357aae09b00152653d13575322c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "e63f11e38fe9f99b9b682d103bec3c232a3d7298fc4342f338822d64b7145713", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 16.15"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "16", "text_hash": "c935f50f5da902872ae46fbf433bc04af68d60972e90310cb409148d5eefdb30", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 16.15"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/16/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "e94646fde062a12d5f7b2ec2dc8f1a89fa303357aae09b00152653d13575322c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "e63f11e38fe9f99b9b682d103bec3c232a3d7298fc4342f338822d64b7145713", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "16", "link_map": {"/zh/docs/16/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/16/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "64491237034d2be1d27e5cf51d72421f300acb5447c7dfe43d363b235ea6bca6", "content_hash": "c935f50f5da902872ae46fbf433bc04af68d60972e90310cb409148d5eefdb30", "source_database": "center", "source_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/16/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/16/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/libpq-envars.html", "method": "same-major semantic node", "sha256": "841a7b2a5d33a812cca40c163dcc0a97350d036c7a31d73230803a40d5c8e917", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[31]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/16/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "6facaad2a42331e2d577d3abc10e1cd4a7af12acb08715071c1996e2caa39239", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/16/facts/0/label": "Client library", "/versions/16/facts/1/label": "Manual definition", "/versions/16/facts/1/value": "Documented", "/versions/16/facts/2/label": "Source environment fallback", "/versions/16/facts/3/label": "Compiled fallback expression", "/versions/16/tables/0/title": "Environment fallback", "/versions/16/related/0/label": "Connection service file", "/versions/16/related/1/label": "Password file", "/versions/16/related/2/label": "All libpq environment variables", "/versions/16/sections/0/title": "Default resolution and service-file precedence", "/versions/16/sections/1/title": "Environment variable evidence", "/versions/16/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/16/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/16/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/16/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/16/tables/0/columns/0/label": "Variable", "/versions/16/tables/0/columns/1/label": "Documented behavior", "/versions/16/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "f101886122157b892f6a763c42f2ce0b56ecf694a94baab1dd5a8bb275f9e9a5", "canonical_center_text_hash": "c935f50f5da902872ae46fbf433bc04af68d60972e90310cb409148d5eefdb30"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "17": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 17.11"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/17/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/17/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/17/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/17/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/17/postgresql-17-A4.pdf", "bytes": 15521293, "pages": 3099, "sha256": "1991354df0dc89e70ec39328c28988ef8b19c6a93671dab3893650b63e9f4e36", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/17/postgresql-17-US.pdf", "bytes": 15398150, "pages": 3270, "sha256": "07696c8f38abf31babf22d2db337093936e7c472d2af36d050b000c49bbcf52c", "built_at": "2026-09-26"}}, "tree": "17", "index": "index.html", "major": "17", "pages": 1143, "release": "17.11", "source_url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487", "evidence_kind": "English manual and source declarations", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "17.11 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "7f15cf88e7854d7e92b57bdcb85ce566543eee5783ebc8eb2972cd6aaca8e7a1"}, {"url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "17.11 libpq connection option declarations", "sha256": "9c189446b1b18faf81823636067c9cf9fb01215bdae5b036cc3bb0ebc84971a2", "archive_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, {"url": "/docs/17/libpq-envars.html", "file": "libpq-envars.html", "label": "17.11 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "48fb76414267a67473ccb901e64320de2e73fb0dc8ade8fcea38edf3628d2c21"}, {"url": "/docs/17/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "17.11 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "1447c3836f348d6d0ea59ab68fe17ef604eb913938eed81c1e2cb081a36e2d8d"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1b803a757bc86003669f02a9d31ee77e295cd52ecc214bcee6a13db7c76f50f9", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "489c0c186bd495359c25a09244a493a4cddc4857e30b2d936b17ed063f9a15da", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 17.11"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "17", "text_hash": "fa923d3611a71faedbc99616334cd6cf248dd975169f01d13da3ce3e4e586118", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 17.11"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/17/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1b803a757bc86003669f02a9d31ee77e295cd52ecc214bcee6a13db7c76f50f9", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "489c0c186bd495359c25a09244a493a4cddc4857e30b2d936b17ed063f9a15da", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "17", "link_map": {"/zh/docs/17/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/17/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "217a300f5c7807368f5ad7339a8e7c7a7d7300045f21bd87c9ae9eb5bbacdda3", "content_hash": "fa923d3611a71faedbc99616334cd6cf248dd975169f01d13da3ce3e4e586118", "source_database": "center", "source_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/17/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/17/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/libpq-envars.html", "method": "same-major semantic node", "sha256": "5f1014f4afd40210bc05e52c10a62fe34fcaf5cc4445cb809ec8cdacb003cf1c", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[32]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/17/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "0544512734d86673b69ac05be91d417df85476fe6048c6d4b197c65a7d566bbe", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/17/facts/0/label": "Client library", "/versions/17/facts/1/label": "Manual definition", "/versions/17/facts/1/value": "Documented", "/versions/17/facts/2/label": "Source environment fallback", "/versions/17/facts/3/label": "Compiled fallback expression", "/versions/17/tables/0/title": "Environment fallback", "/versions/17/related/0/label": "Connection service file", "/versions/17/related/1/label": "Password file", "/versions/17/related/2/label": "All libpq environment variables", "/versions/17/sections/0/title": "Default resolution and service-file precedence", "/versions/17/sections/1/title": "Environment variable evidence", "/versions/17/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/17/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/17/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/17/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/17/tables/0/columns/0/label": "Variable", "/versions/17/tables/0/columns/1/label": "Documented behavior", "/versions/17/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "726f02d8a463d4e10dce2ffd51e3fc39cae4d9ffd5c799a4929b38ce18dc07cf", "canonical_center_text_hash": "fa923d3611a71faedbc99616334cd6cf248dd975169f01d13da3ce3e4e586118"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."]}, "18": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/18/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/18/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/18/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "18.6 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "c26a7fc3dcda6066cfe540641ae2690faf3d3c03277f30b4dfc2328ab45c212f"}, {"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "18.6 libpq connection option declarations", "sha256": "44a6e386cbfd67ebe768d6ef5493098119c2e6b4796239d53e5ed7b122b206a5", "archive_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/libpq-envars.html", "file": "libpq-envars.html", "label": "18.6 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "d64db73f3d48127bb984a5f775e77b7bcca2ba4bd218333cf24a45fcdd7c4363"}, {"url": "/docs/18/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "18.6 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "6035a3f0ee1d0fd80db5bf58834390b884eecd23206659bdf6f07560deea5aa7"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1555b03a2bc480920a9c72be9683ee3ddf99e8a5c17267c0dca73c42cd50e44c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "21ac68522b8913c5415993ab72b3cda0c2a1aa13f13e80aa7e5749b8b7dee843", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "18", "text_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1555b03a2bc480920a9c72be9683ee3ddf99e8a5c17267c0dca73c42cd50e44c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "21ac68522b8913c5415993ab72b3cda0c2a1aa13f13e80aa7e5749b8b7dee843", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "18", "link_map": {"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "7197e563f8fdb32ccf759711f1936dba48ecbc69d07b1d6d699f524ab37ad992", "content_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/18/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/libpq-envars.html", "method": "same-major semantic node", "sha256": "8423affb67ef7d4f700d7ccc8c0ef66629341568c8d72530a0c765f3d155da2f", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[32]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/18/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "a06dfcdffbbdf6bd55987cade2d9ff1db6cbfd9f75eb80c7866e8792cd70463e", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/18/facts/0/label": "Client library", "/versions/18/facts/1/label": "Manual definition", "/versions/18/facts/1/value": "Documented", "/versions/18/facts/2/label": "Source environment fallback", "/versions/18/facts/3/label": "Compiled fallback expression", "/versions/18/tables/0/title": "Environment fallback", "/versions/18/related/0/label": "Connection service file", "/versions/18/related/1/label": "Password file", "/versions/18/related/2/label": "All libpq environment variables", "/versions/18/sections/0/title": "Default resolution and service-file precedence", "/versions/18/sections/1/title": "Environment variable evidence", "/versions/18/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/18/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/18/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/18/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/18/tables/0/columns/0/label": "Variable", "/versions/18/tables/0/columns/1/label": "Documented behavior", "/versions/18/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "ef439dbcd99f6294201ab8ba12bc7d29ea3eb9b9b8bcbf65406ca17243becf72", "canonical_center_text_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."], "center_zh_rendered": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "19": {"lang": "zh", "facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 19rc2"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/19/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/19/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/19/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/19/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc2/postgresql-19rc2.tar.bz2", "label": "19rc2", "major": "19", "channel": "preview", "manifest": {"major": "19", "release": "19rc2", "source_url": "https://ftp.postgresql.org/pub/source/v19rc2/postgresql-19rc2.tar.bz2", "source_sha256": "23a7bb862e4bac395c047305ed0084117b01e71255ce858b907cdcd78ce40351"}, "revision": "cd49a2a98fed04eec7571858125796f86e63613d1985225049f2aa8b0955f256", "evidence_kind": "English manual and source declarations", "source_sha256": "23a7bb862e4bac395c047305ed0084117b01e71255ce858b907cdcd78ce40351"}, "sources": [{"url": "/docs/19/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "19rc2 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "0a9acc6fe923f679e1c29b9c9e055af343b9f18d57000d0d2f105b792e7a8639"}, {"url": "https://ftp.postgresql.org/pub/source/v19rc2/postgresql-19rc2.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "19rc2 libpq connection option declarations", "sha256": "8c1ead9bb7a0fbbbc752d1ed9198e99b07c834495e502549309d0765d0bbf041", "archive_sha256": "23a7bb862e4bac395c047305ed0084117b01e71255ce858b907cdcd78ce40351"}, {"url": "/docs/19/libpq-envars.html", "file": "libpq-envars.html", "label": "19rc2 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "af62a12e22e80fff7cb75a6a7760562861c414f73a4afbd5ec2e1c2f1e9c94b9"}, {"url": "/docs/19/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "19rc2 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "eb83c4af16f3d34aa873fc313fdf55560bbdf1803d195d723e6eb88c9d8dcea4"}], "zh_from": "same-version-manual", "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 19rc2"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728 Microsoft Windows \u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"locale": "zh-Hans", "payload": {"description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "20", "link_map": {"/zh/docs/devel/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/devel/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "7bb1b99400a0c17a3688b62edc6af34ae38419969ac84864ecf7b4324bcc2835", "content_hash": "86611ad01a14f16a34b3d1dcaa08cecaa65c5d7f9dfc4ba76ea466c9c9f9fa17", "source_database": "center", "source_revision": "3cd0885bb4eccdbaac1a21177cc639e9031e54bd8ea6536c45224b5563354ce2"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/devel/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/devel/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u5728 libpq \u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528 servicefile \u5173\u952e\u5b57\uff0c\u6216\u8005\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/libpq-envars.html", "method": "same-major semantic node", "sha256": "b4afd6d100d2be289d48e1a6f6fb9804dd0b684798b7dabf8bae7d3db074117f", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[32]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/devel/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "acea589bbba517979fe815bd3bff32cd6d5e6323e1d5b4f395d7864338868b26", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/summary": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/category": "Session and protocol", "/versions/20/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/20/facts/0/label": "Client library", "/versions/20/facts/1/label": "Manual definition", "/versions/20/facts/1/value": "Documented", "/versions/20/facts/2/label": "Source environment fallback", "/versions/20/facts/3/label": "Compiled fallback expression", "/versions/20/tables/0/title": "Environment fallback", "/versions/20/related/0/label": "Connection service file", "/versions/20/related/1/label": "Password file", "/versions/20/related/2/label": "All libpq environment variables", "/versions/20/sections/0/title": "Default resolution and service-file precedence", "/versions/20/sections/1/title": "Environment variable evidence", "/versions/20/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/20/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified using the servicefile key word in a libpq connection string or by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/20/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/20/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/20/tables/0/columns/0/label": "Variable", "/versions/20/tables/0/columns/1/label": "Documented behavior", "/versions/20/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "60ec9d69fb44d6e2ca99ea5edb3b1855c24cfec2faa293a48d0a4d8bef79db49", "canonical_center_text_hash": "86611ad01a14f16a34b3d1dcaa08cecaa65c5d7f9dfc4ba76ea466c9c9f9fa17"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified using the servicefile key word in a libpq connection string or by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."], "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "3cd0885bb4eccdbaac1a21177cc639e9031e54bd8ea6536c45224b5563354ce2", "previous_source_revision": "2eba5e0fd4c3bffb2803247b6cd537878e9d6ee5a6dfbe3c50ece8b421b80918"}}}}, "snapshot": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "keyword": "client_encoding", "related": [{"url": "/docs/18/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/18/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/18/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "file": "libpq-connect.html", "label": "18.6 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "sha256": "c26a7fc3dcda6066cfe540641ae2690faf3d3c03277f30b4dfc2328ab45c212f"}, {"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "18.6 libpq connection option declarations", "sha256": "44a6e386cbfd67ebe768d6ef5493098119c2e6b4796239d53e5ed7b122b206a5", "archive_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/libpq-envars.html", "file": "libpq-envars.html", "label": "18.6 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "d64db73f3d48127bb984a5f775e77b7bcca2ba4bd218333cf24a45fcdd7c4363"}, {"url": "/docs/18/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "18.6 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "6035a3f0ee1d0fd80db5bf58834390b884eecd23206659bdf6f07560deea5aa7"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1555b03a2bc480920a9c72be9683ee3ddf99e8a5c17267c0dca73c42cd50e44c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "21ac68522b8913c5415993ab72b3cda0c2a1aa13f13e80aa7e5749b8b7dee843", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "facts_zh": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "center_zh": {"title": "client_encoding", "locale": "zh-Hans", "source": {"key": "client-encoding", "locale": "zh-Hans", "version": "18", "text_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949", "collection": "conn", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "payload": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 18.6"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGCLIENTENCODING"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "anchor": "LIBPQ-CONNECT-CLIENT-ENCODING", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "libpq-connect.html", "extraction": "exact-definition", "source_hash": "1555b03a2bc480920a9c72be9683ee3ddf99e8a5c17267c0dca73c42cd50e44c", "fragment_sha256": "05c90d4252936414c9e7e741af40418980ceb696654d16898d53fd15518a9f24", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "21ac68522b8913c5415993ab72b3cda0c2a1aa13f13e80aa7e5749b8b7dee843", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "sections": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "version": "18", "link_map": {"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING": "/docs/18/libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING"}, "body_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "7197e563f8fdb32ccf759711f1936dba48ecbc69d07b1d6d699f524ab37ad992", "content_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "signature": "client_encoding", "tables_zh": [{"key": "environment", "rows": [{"name": {"url": "/docs/18/libpq-envars.html", "text": "PGCLIENTENCODING"}, "description": "PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"}], "title": "\u73af\u5883\u53d8\u91cf\u56de\u9000", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u624b\u518c\u8bb0\u8f7d\u7684\u884c\u4e3a"}]}], "documented": true, "description": ["\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002"], "environment": [{"name": "PGCLIENTENCODING", "source_url": "/docs/18/libpq-envars.html", "description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}], "manual_html": "", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-CLIENT-ENCODING", "sections_zh": [{"title": "\u9ed8\u8ba4\u503c\u89e3\u6790\u4e0e\u670d\u52a1\u6587\u4ef6\u4f18\u5148\u7ea7", "paragraphs": ["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGCLIENTENCODING \u7684\u884c\u4e3a\u4e0e client_encoding \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/libpq-envars.html", "method": "same-major semantic node", "sha256": "8423affb67ef7d4f700d7ccc8c0ef66629341568c8d72530a0c765f3d155da2f", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[32]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/18/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "a06dfcdffbbdf6bd55987cade2d9ff1db6cbfd9f75eb80c7866e8792cd70463e", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "/versions/18/facts/0/label": "Client library", "/versions/18/facts/1/label": "Manual definition", "/versions/18/facts/1/value": "Documented", "/versions/18/facts/2/label": "Source environment fallback", "/versions/18/facts/3/label": "Compiled fallback expression", "/versions/18/tables/0/title": "Environment fallback", "/versions/18/related/0/label": "Connection service file", "/versions/18/related/1/label": "Password file", "/versions/18/related/2/label": "All libpq environment variables", "/versions/18/sections/0/title": "Default resolution and service-file precedence", "/versions/18/sections/1/title": "Environment variable evidence", "/versions/18/sections/0/paragraphs/0": "The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "/versions/18/sections/0/paragraphs/1": "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "/versions/18/sections/0/paragraphs/2": "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults.", "/versions/18/sections/1/paragraphs/0": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter.", "/versions/18/tables/0/columns/0/label": "Variable", "/versions/18/tables/0/columns/1/label": "Documented behavior", "/versions/18/tables/0/rows/0/description": "PGCLIENTENCODING behaves the same as the client_encoding connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "ef439dbcd99f6294201ab8ba12bc7d29ea3eb9b9b8bcbf65406ca17243becf72", "canonical_center_text_hash": "99a6518625a87927a928adf2c163bca9a33b015aca38cca00693f3a0d8f69949"}, "source_option": {"keyword": "client_encoding", "declaration": "\"client_encoding\", \"PGCLIENTENCODING\", NULL, NULL, \"Client-Encoding\", \"\", 10, offsetof(struct pg_conn, client_encoding_initial)", "environment": "PGCLIENTENCODING", "source_notes": [], "compiled_default_expression": "NULL"}, "description_zh": "\u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002", "comparison_data": {"keyword": "client_encoding", "definition": "This sets the client_encoding configuration parameter for this connection. In addition to the values accepted by the corresponding server option, you can use auto to determine the right encoding from the current locale in the client ( LC_CTYPE environment variable on Unix systems).", "documented": true, "environment": "PGCLIENTENCODING", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "a7f28385a2e5ba2503b0f0ab8a27c56e3296ce1f71e347a762cd0b3ce045ead5", "manual_language": "zh", "default_evidence": [], "description_zh_html": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "precedence_evidence": ["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.", "Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .", "Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."], "center_zh_rendered": "\u8fde\u63a5\u53c2\u6570 client_encoding\u3002
\n \u8fd9\u5c06\u4e3a\u6b64\u8fde\u63a5\u8bbe\u7f6e client_encoding \u914d\u7f6e\u53c2\u6570\u3002\u9664\u4e86\u5bf9\u5e94\u670d\u52a1\u5668\u9009\u9879\u63a5\u53d7\u7684\u503c\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 auto \u6765\u4ece\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\uff08Unix \u7cfb\u7edf\u4e0a\u7684 LC_CTYPE \u73af\u5883\u53d8\u91cf\uff09\u786e\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}