{"kind": "conn", "major": "18", "item": {"slug": "servicefile", "name": "servicefile", "name_zh": "", "category": "\u4f1a\u8bdd\u4e0e\u534f\u8bae", "summary": "\u6240\u9009\u7248\u672c\u672a\u6536\u5f55\u6b64\u6761\u76ee\u3002", "aliases": ["PGSERVICEFILE", "servicefile"], "content_hash": "d86ee5501adeedfe1da22ea7476d3035d292d5e01683d1177a8dc8e93721aada", "versions": {"19": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 19beta4"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGSERVICEFILE"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/19/libpq-envars.html", "text": "PGSERVICEFILE"}, "description": "PGSERVICEFILE \u7684\u884c\u4e3a\u4e0e servicefile \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": "servicefile", "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/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/19/postgresql-19-A4.pdf", "bytes": 16064841, "pages": 3052, "sha256": "4dd099e4125c591128fc5f3ebd02178dc24781f9e5ae629f96d67c4c8547427b", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/19/postgresql-19-US.pdf", "bytes": 15974616, "pages": 3225, "sha256": "61971fa857f0956d47341a0388fa6af9ae10acf691d4b2fc009007d384b0342b", "built_at": "2026-09-26"}}, "tree": "19", "index": "index.html", "major": "19", "pages": 1155, "release": "19beta4", "source_url": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "svg_assets": 5, "source_mode": "en SGML built with pinned official archive", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "revision": "1bbbbf4133d426f0e4304010688d2984c30fb67df0cc3a61b3e37eb3f6f37833", "evidence_kind": "English manual and source declarations", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "https://pg.center/docs/19/libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE", "file": "libpq-connect.html", "label": "19beta4 English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-SERVICEFILE", "sha256": "14917417235a95d969bf3642c347dea7ae548c5f73b0dd00991a580ebcfbb47e", "language": "en", "original_url": "/docs/19/libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE"}, {"url": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "19beta4 libpq connection option declarations", "sha256": "ae8005372c570ff47a4922c942238653a034f01f9db40c9e0f57cb48915ffd98", "archive_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, {"url": "https://pg.center/docs/19/libpq-envars.html", "file": "libpq-envars.html", "label": "19beta4 English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "d8f0afee19bae6323942ea5415649fbd66e3880fe8c8415350fcf3915f7c7047", "language": "en", "original_url": "/docs/19/libpq-envars.html"}, {"url": "https://pg.center/docs/19/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "19beta4 English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "4c858fe55701d703cc00e7adf55eeac09cafcfdc37929b8e23ccf8ba42af9f98", "language": "en", "original_url": "/docs/19/libpq-pgservice.html"}], "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\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": ["PGSERVICEFILE \u7684\u884c\u4e3a\u4e0e servicefile \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "signature": "servicefile", "documented": true, "description": ["\u8be5\u9009\u9879\u6307\u5b9a\u6bcf\u4e2a\u7528\u6237\u7684\u8fde\u63a5\u670d\u52a1\u6587\u4ef6\u540d\u79f0\uff08\u53c2\u89c1 \u7b2c 32.17 \u8282 \uff09\u3002\u9ed8\u8ba4\u503c\u662f ~/.pg_service.conf \uff0c\u5728 Microsoft Windows \u4e0a\u5219\u662f %APPDATA%\\postgresql\\.pg_service.conf \u3002"], "environment": [{"name": "PGSERVICEFILE", "source_url": "/docs/19/libpq-envars.html", "description": "PGSERVICEFILE behaves the same as the servicefile connection parameter."}], "manual_html": "
servicefile
\n

\n

\u8be5\u9009\u9879\u6307\u5b9a\u6bcf\u4e2a\u7528\u6237\u7684\u8fde\u63a5\u670d\u52a1\u6587\u4ef6\u540d\u79f0\uff08\u53c2\u89c1\u7b2c\u00a032.17\u00a0\u8282\uff09\u3002\u9ed8\u8ba4\u503c\u662f~/.pg_service.conf\uff0c\u5728 Microsoft Windows \u4e0a\u5219\u662f %APPDATA%\\postgresql\\.pg_service.conf\u3002

\n

\n
", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE", "localization": {"status": "complete", "sources": [{"url": "/docs/19/libpq-connect.html", "method": "same-major semantic node", "sha256": "8a146554e35097ee5bd56228b90d2a83442c7bd6ca303bdd01de148d06928cd3", "language": "zh", "matched_nodes": ["#LIBPQ-CONNECT/div[7]/div[2]/dl[0]/dd[91]"]}, {"url": "/docs/19/libpq-envars.html", "method": "same-major semantic node", "sha256": "1c8f71428ae8cd8acf564cb581b51a0bce2bf0102680e44c1ced261aa3ec55f7", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[11]", "#LIBPQ-ENVARS/p[2]"]}, {"url": "/docs/19/libpq-pgservice.html", "method": "same-major semantic node", "sha256": "ed80600a221e79a10c683341a2d8b9fa12c84e00c638b7969a72feb8b3c467d3", "language": "zh", "matched_nodes": ["#LIBPQ-PGSERVICE/p[5]", "#LIBPQ-PGSERVICE/p[9]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "This option specifies the name of the per-user connection service file (see Section 32.17 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\postgresql\\.pg_service.conf on Microsoft Windows.", "/versions/19/facts/0/label": "Client library", "/versions/19/facts/1/label": "Manual definition", "/versions/19/facts/1/value": "Documented", "/versions/19/facts/2/label": "Source environment fallback", "/versions/19/facts/3/label": "Compiled fallback expression", "/versions/19/tables/0/title": "Environment fallback", "/versions/19/related/0/label": "Connection service file", "/versions/19/related/1/label": "Password file", "/versions/19/related/2/label": "All libpq environment variables", "/versions/19/sections/0/title": "Default resolution and service-file precedence", "/versions/19/sections/1/title": "Environment variable evidence", "/versions/19/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/19/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/19/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/19/sections/1/paragraphs/0": "PGSERVICEFILE behaves the same as the servicefile connection parameter.", "/versions/19/tables/0/columns/0/label": "Variable", "/versions/19/tables/0/columns/1/label": "Documented behavior", "/versions/19/tables/0/rows/0/description": "PGSERVICEFILE behaves the same as the servicefile connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "c38695be83f51ce5022c7253aface4e1e033ad1236ac540b776e004a1c7e14b0"}, "source_option": {"keyword": "servicefile", "declaration": "\"servicefile\", \"PGSERVICEFILE\", NULL, NULL, \"Database-Service-File\", \"\", 64, offsetof(struct pg_conn, pgservicefile)", "environment": "PGSERVICEFILE", "source_notes": [], "compiled_default_expression": "NULL"}, "comparison_data": {"keyword": "servicefile", "definition": "This option specifies the name of the per-user connection service file (see Section 32.17 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\postgresql\\.pg_service.conf on Microsoft Windows.", "documented": true, "environment": "PGSERVICEFILE", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "b628533c2d83914b396c9beba76633f0761035d268fd40553c69f40c39a97e21", "manual_language": "zh", "default_evidence": [], "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."]}, "20": {"facts": [{"label": "\u5ba2\u6237\u7aef\u5e93", "value": "libpq 20devel"}, {"label": "\u624b\u518c\u5b9a\u4e49", "value": "\u624b\u518c\u5df2\u8bb0\u8f7d"}, {"label": "\u6e90\u7801\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u56de\u9000", "value": "PGSERVICEFILE"}, {"label": "\u7f16\u8bd1\u65f6\u56de\u9000\u8868\u8fbe\u5f0f", "value": "NULL"}], "tables": [{"key": "environment", "rows": [{"name": {"url": "/docs/devel/libpq-envars.html", "text": "PGSERVICEFILE"}, "description": "PGSERVICEFILE \u7684\u884c\u4e3a\u4e0e servicefile \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": "servicefile", "related": [{"url": "/docs/devel/libpq-pgservice.html", "label": "\u8fde\u63a5\u670d\u52a1\u6587\u4ef6"}, {"url": "/docs/devel/libpq-pgpass.html", "label": "\u53e3\u4ee4\u6587\u4ef6"}, {"url": "/docs/devel/libpq-envars.html", "label": "\u6240\u6709 libpq \u73af\u5883\u53d8\u91cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/20/postgresql-20-A4.pdf", "bytes": 16030631, "pages": 3052, "sha256": "bd5d82c0ce38fc18f92a0447818a91a193a261776bca1c37564bf9a683e177d0", "built_at": "2026-09-28"}, "US": {"url": "/files/documentation/pdf/20/postgresql-20-US.pdf", "bytes": 15936613, "pages": 3223, "sha256": "d97d9e0db479a02f4234b175f50fcad70c3661619afc8d6df9b9437882e3c299", "built_at": "2026-09-28"}}, "tree": "0", "index": "index.html", "major": "20", "pages": 1156, "release": "20devel", "source_url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "svg_assets": 6, "source_mode": "en SGML built with pinned official archive", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41", "source_snapshot_utc": "26-Sep-2026 20:22"}, "revision": "2eba5e0fd4c3bffb2803247b6cd537878e9d6ee5a6dfbe3c50ece8b421b80918", "evidence_kind": "English manual and source declarations", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "https://pg.center/docs/devel/libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE", "file": "libpq-connect.html", "label": "20devel English manual \u00b7 libpq-connect.html", "anchor": "LIBPQ-CONNECT-SERVICEFILE", "sha256": "eeb28ce798c0f99c3581400b4baaae7687ee5d4176fcb9f5d2fd28809282d48f", "language": "en", "original_url": "/docs/devel/libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE"}, {"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "file": "src/interfaces/libpq/fe-connect.c", "label": "20devel libpq connection option declarations", "sha256": "d6eab6e2f37054b32a7ee7039b53beae603316f8ec3f0a14716061e042fc4aa1", "archive_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, {"url": "https://pg.center/docs/devel/libpq-envars.html", "file": "libpq-envars.html", "label": "20devel English manual \u00b7 libpq-envars.html", "anchor": "", "sha256": "7c49cf204e26ea86654491db5ea06c4f558c670e2e60a60b1dbf708ce682accc", "language": "en", "original_url": "/docs/devel/libpq-envars.html"}, {"url": "https://pg.center/docs/devel/libpq-pgservice.html", "file": "libpq-pgservice.html", "label": "20devel English manual \u00b7 libpq-pgservice.html", "anchor": "", "sha256": "a1ccd63a6e307a5541d58eabd57be5b467dff2480770838ec9b6a59a3ef110dc", "language": "en", "original_url": "/docs/devel/libpq-pgservice.html"}], "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\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": ["PGSERVICEFILE \u7684\u884c\u4e3a\u4e0e servicefile \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "signature": "servicefile", "documented": true, "description": ["\u8be5\u9009\u9879\u6307\u5b9a\u6bcf\u4e2a\u7528\u6237\u7684\u8fde\u63a5\u670d\u52a1\u6587\u4ef6\u540d\u79f0\uff08\u53c2\u89c1 \u7b2c 32.16 \u8282 \uff09\u3002\u9ed8\u8ba4\u503c\u662f ~/.pg_service.conf \uff0c\u5728 Microsoft Windows \u4e0a\u5219\u662f %APPDATA%\\postgresql\\.pg_service.conf \u3002"], "environment": [{"name": "PGSERVICEFILE", "source_url": "/docs/devel/libpq-envars.html", "description": "PGSERVICEFILE behaves the same as the servicefile connection parameter."}], "manual_html": "
servicefile
\n

\n

\u8be5\u9009\u9879\u6307\u5b9a\u6bcf\u4e2a\u7528\u6237\u7684\u8fde\u63a5\u670d\u52a1\u6587\u4ef6\u540d\u79f0\uff08\u53c2\u89c1\u7b2c\u00a032.16\u00a0\u8282\uff09\u3002\u9ed8\u8ba4\u503c\u662f~/.pg_service.conf\uff0c\u5728 Microsoft Windows \u4e0a\u5219\u662f %APPDATA%\\postgresql\\.pg_service.conf\u3002

\n

\n
", "manual_path": "libpq-connect.html#LIBPQ-CONNECT-SERVICEFILE", "localization": {"status": "complete", "sources": [{"url": "/docs/devel/libpq-connect.html", "method": "same-major semantic node", "sha256": "80a1ddba976c7228bb9d179e08545f0a6328ffc9b880481df17a53fdebf42bb5", "language": "zh", "matched_nodes": ["#LIBPQ-CONNECT/div[7]/div[2]/dl[0]/dd[91]"]}, {"url": "/docs/devel/libpq-envars.html", "method": "same-major semantic node", "sha256": "b4afd6d100d2be289d48e1a6f6fb9804dd0b684798b7dabf8bae7d3db074117f", "language": "zh", "matched_nodes": ["#LIBPQ-ENVARS/div[3]/ul[0]/li[11]", "#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 option specifies the name of the per-user connection service file (see Section 32.16 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\postgresql\\.pg_service.conf on Microsoft Windows.", "/category": "Session and protocol", "/versions/20/description/0": "This option specifies the name of the per-user connection service file (see Section 32.16 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\postgresql\\.pg_service.conf on Microsoft Windows.", "/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": "PGSERVICEFILE behaves the same as the servicefile 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": "PGSERVICEFILE behaves the same as the servicefile connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "23feec342fb1baf379483892b59b8e0f5ad28a9c073f014cae3a13383e739b8d"}, "source_option": {"keyword": "servicefile", "declaration": "\"servicefile\", \"PGSERVICEFILE\", NULL, NULL, \"Database-Service-File\", \"\", 64, offsetof(struct pg_conn, pgservicefile)", "environment": "PGSERVICEFILE", "source_notes": [], "compiled_default_expression": "NULL"}, "comparison_data": {"keyword": "servicefile", "definition": "This option specifies the name of the per-user connection service file (see Section 32.16 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\postgresql\\.pg_service.conf on Microsoft Windows.", "documented": true, "environment": "PGSERVICEFILE", "default_evidence": [], "compiled_default_expression": "NULL"}, "comparison_hash": "63a45d2dde9d63c6a8a756a5317f197b353ab0f37343ba18c5b7ffb640afddc6", "manual_language": "zh", "default_evidence": [], "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."]}}}, "snapshot": null, "comparison": {"left": "18", "right": "19", "status": "added", "diff": "--- PostgreSQL 18\n+++ PostgreSQL 19\n@@ -1 +1,8 @@\n-\u8be5\u7248\u672a\u6536\u5f55\n+{\n+ \"compiled_default_expression\": \"NULL\",\n+ \"default_evidence\": [],\n+ \"definition\": \"This option specifies the name of the per-user connection service file (see Section 32.17 ). Defaults to ~/.pg_service.conf , or %APPDATA%\\\\postgresql\\\\.pg_service.conf on Microsoft Windows.\",\n+ \"documented\": true,\n+ \"environment\": \"PGSERVICEFILE\",\n+ \"keyword\": \"servicefile\"\n+}"}}