\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "10", "link_map": {"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS": "/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "24199ed4de0d1e3c80823389091739ab49049e8a48165a83c4907a5d1bb1d16b", "content_hash": "187313bab02788de6b9f59cbaa84ac11a2b6e6d2e83152b366aefb58cfbbb431", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/10/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/10/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "fb3f5382c61e7fcc0eaa29589ac1811e59b1cc7a8bd23c1ebe5fc8f17c9819b2", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/10/facts/0/label": "Direction", "/versions/10/facts/0/value": "Frontend \u2194 backend", "/versions/10/facts/1/label": "First wire field", "/versions/10/facts/2/label": "Field entries", "/versions/10/facts/3/label": "Documented flow contexts", "/versions/10/facts/3/value": "COPY Operations", "/versions/10/tables/0/title": "Wire fields in documented order", "/versions/10/related/0/label": "Protocol flow and exchange examples", "/versions/10/related/1/label": "Protocol overview", "/versions/10/related/2/label": "COPY Operations", "/versions/10/sections/0/title": "Framing and repetition", "/versions/10/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/10/tables/0/rows/2/c1": "Byte n", "/versions/10/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/10/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/10/tables/0/columns/0/label": "Position", "/versions/10/tables/0/columns/1/label": "Format", "/versions/10/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9e9debf209caffdc99ef4eb706c84a55424cd049147c2c376351d4b8c3976fd8", "canonical_center_text_hash": "187313bab02788de6b9f59cbaa84ac11a2b6e6d2e83152b366aefb58cfbbb431"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "11": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/11/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/11/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/11/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "stable", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 11 English manual", "sha256": "a6087693de687f5a6582bfa6529356ecb8a089e2d56694482352a55eb6ccfdf1"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "b86aa7c7a982503a5943f3f5501cf5ca27ea5cf1f9d48418c461cf096d15c4db", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "14416029ea95db24fe7876eb4759ddc4ec6aa24ba82cc3e3d275055026029dc1", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "11", "text_hash": "6c7e4ffe0f85037b80d025e41b4e296688543bf755e549458c446706bec6193a", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "b86aa7c7a982503a5943f3f5501cf5ca27ea5cf1f9d48418c461cf096d15c4db", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "14416029ea95db24fe7876eb4759ddc4ec6aa24ba82cc3e3d275055026029dc1", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "11", "link_map": {"/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS": "/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "f093f7576ae776c9c9022d9b47f9cfb9903ccd4cb5d938c45632f72ad89a8c3d", "content_hash": "6c7e4ffe0f85037b80d025e41b4e296688543bf755e549458c446706bec6193a", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/11/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "9726c6197a98d51a4e85474eefe4eebef23c1e01c1accd23e4633aa0e78288ea", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/11/facts/0/label": "Direction", "/versions/11/facts/0/value": "Frontend \u2194 backend", "/versions/11/facts/1/label": "First wire field", "/versions/11/facts/2/label": "Field entries", "/versions/11/facts/3/label": "Documented flow contexts", "/versions/11/facts/3/value": "COPY Operations", "/versions/11/tables/0/title": "Wire fields in documented order", "/versions/11/related/0/label": "Protocol flow and exchange examples", "/versions/11/related/1/label": "Protocol overview", "/versions/11/related/2/label": "COPY Operations", "/versions/11/sections/0/title": "Framing and repetition", "/versions/11/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/11/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/11/tables/0/rows/2/c1": "Byte n", "/versions/11/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/11/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/11/tables/0/columns/0/label": "Position", "/versions/11/tables/0/columns/1/label": "Format", "/versions/11/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "cc52336806010fc9cd3cc364147a9a874bc09f7ec1ae69f18ae649de1bb47708", "canonical_center_text_hash": "6c7e4ffe0f85037b80d025e41b4e296688543bf755e549458c446706bec6193a"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "12": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/12/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/12/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/12/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 12 English manual", "sha256": "00f6cafbcaad89c7e7982faed10a2896b7188de151ac9137633021207f7c2b70"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "b465bd771c4b398671c853d51262347b617bc7e6f5b1d26744df95ddd9cb26a1", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "3d06991ba299ea6affa906f4792da57278c56bd1844608af68fbd816cc366a6e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "12", "text_hash": "a6260b819ce735b387a809fc9d4e793f1acca437080780f9d6aa1bf2ba143d3b", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "b465bd771c4b398671c853d51262347b617bc7e6f5b1d26744df95ddd9cb26a1", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "3d06991ba299ea6affa906f4792da57278c56bd1844608af68fbd816cc366a6e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "12", "link_map": {"/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS": "/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "85ed837aa17e6102e8b4322e6ffc11dbcf45f2c0eb2709d27045f64f224fe85f", "content_hash": "a6260b819ce735b387a809fc9d4e793f1acca437080780f9d6aa1bf2ba143d3b", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/12/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/12/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "1d8b90803d96546f1f4c7412e486a669852503476ec078069948005061c1122c", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/12/facts/0/label": "Direction", "/versions/12/facts/0/value": "Frontend \u2194 backend", "/versions/12/facts/1/label": "First wire field", "/versions/12/facts/2/label": "Field entries", "/versions/12/facts/3/label": "Documented flow contexts", "/versions/12/facts/3/value": "COPY Operations", "/versions/12/tables/0/title": "Wire fields in documented order", "/versions/12/related/0/label": "Protocol flow and exchange examples", "/versions/12/related/1/label": "Protocol overview", "/versions/12/related/2/label": "COPY Operations", "/versions/12/sections/0/title": "Framing and repetition", "/versions/12/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/12/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/12/tables/0/rows/2/c1": "Byte n", "/versions/12/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/12/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/12/tables/0/columns/0/label": "Position", "/versions/12/tables/0/columns/1/label": "Format", "/versions/12/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "fca41a07c95830eb7ea79314686d1f82ed12457b5c6b0509b7e26f84646a97e4", "canonical_center_text_hash": "a6260b819ce735b387a809fc9d4e793f1acca437080780f9d6aa1bf2ba143d3b"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "13": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/13/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/13/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/13/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 13 English manual", "sha256": "86bc62b343a9bd881a6832cced7d81285a9924985ea598ee2b207bbb4ba9666e"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "f528933d3d49a628dc271c84fe2e25f517ee866bbb01914a395c3d878a1873f3", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "fe2dcef94ea4c39c979fffd70119aaa7a6e40ff89995996b606a18f16a0824f4", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "13", "text_hash": "f984a4f7315912770a09eb837221ff9295c6480be4328ffe53e532e709f46c62", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "f528933d3d49a628dc271c84fe2e25f517ee866bbb01914a395c3d878a1873f3", "fragment_sha256": "34ef07c36ebd88a59996724a6cad410f1a1e3404f2a2d9361f7c1f2e4ba19b9b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "fe2dcef94ea4c39c979fffd70119aaa7a6e40ff89995996b606a18f16a0824f4", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "13", "link_map": {"/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS": "/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "b4eed23dc44dfba0c317332c273e6f9f6b474a63492cdb72ae33bdec8438741f", "content_hash": "f984a4f7315912770a09eb837221ff9295c6480be4328ffe53e532e709f46c62", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/13/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "90801323e211e99834ac2c19f534fccad08d74098fbce82899c1e1970d871906", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/13/facts/0/label": "Direction", "/versions/13/facts/0/value": "Frontend \u2194 backend", "/versions/13/facts/1/label": "First wire field", "/versions/13/facts/2/label": "Field entries", "/versions/13/facts/3/label": "Documented flow contexts", "/versions/13/facts/3/value": "COPY Operations", "/versions/13/tables/0/title": "Wire fields in documented order", "/versions/13/related/0/label": "Protocol flow and exchange examples", "/versions/13/related/1/label": "Protocol overview", "/versions/13/related/2/label": "COPY Operations", "/versions/13/sections/0/title": "Framing and repetition", "/versions/13/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/13/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/13/tables/0/rows/2/c1": "Byte n", "/versions/13/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/13/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/13/tables/0/columns/0/label": "Position", "/versions/13/tables/0/columns/1/label": "Format", "/versions/13/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "6f3d2376342ea1ed844f2f87aab32f040694871282052e34329ca539c111eee6", "canonical_center_text_hash": "f984a4f7315912770a09eb837221ff9295c6480be4328ffe53e532e709f46c62"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "14": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/14/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/14/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/14/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 14 English manual", "sha256": "250fd6a2529964948260a546f72931e259885bb222b62c3bdbf5ab402b72987b"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4cb6571b756c2b8f4e3e5f0710a5f70b495f4f380a8eea05e2db265978d27607", "fragment_sha256": "946878380e75c5be714c64acea09be8def59c6cef3e55294297b869a6ca038f0", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "d5f5ba61a66f82dda2c4ee80a6721ed7a7416fd70ab0d1a3c3ea0e3675ee07e8", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "14", "text_hash": "832989607841156df24d7572ae2e9023c937836d27b01f0586a69b27bc4fc2c5", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4cb6571b756c2b8f4e3e5f0710a5f70b495f4f380a8eea05e2db265978d27607", "fragment_sha256": "946878380e75c5be714c64acea09be8def59c6cef3e55294297b869a6ca038f0", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "d5f5ba61a66f82dda2c4ee80a6721ed7a7416fd70ab0d1a3c3ea0e3675ee07e8", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "14", "link_map": {"/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS": "/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "21c8e8fba838eea34caae159b92782edf78829188d8b17fc9a6d0211d81d1661", "content_hash": "832989607841156df24d7572ae2e9023c937836d27b01f0586a69b27bc4fc2c5", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/14/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "a125a259c8ea8299be50b5d5d8241c513d8b38df4c6f16cf53b7949a63e2f8aa", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/14/facts/0/label": "Direction", "/versions/14/facts/0/value": "Frontend \u2194 backend", "/versions/14/facts/1/label": "First wire field", "/versions/14/facts/2/label": "Field entries", "/versions/14/facts/3/label": "Documented flow contexts", "/versions/14/facts/3/value": "COPY Operations", "/versions/14/tables/0/title": "Wire fields in documented order", "/versions/14/related/0/label": "Protocol flow and exchange examples", "/versions/14/related/1/label": "Protocol overview", "/versions/14/related/2/label": "COPY Operations", "/versions/14/sections/0/title": "Framing and repetition", "/versions/14/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/14/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/14/tables/0/rows/2/c1": "Byte n", "/versions/14/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/14/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/14/tables/0/columns/0/label": "Position", "/versions/14/tables/0/columns/1/label": "Format", "/versions/14/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9d905c8c9afe04269ac3e9d2901da82c2e57b1505817534ca1dbb7c2e31a148f", "canonical_center_text_hash": "832989607841156df24d7572ae2e9023c937836d27b01f0586a69b27bc4fc2c5"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "15": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/15/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/15/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/15/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 15 English manual", "sha256": "8c5c191eef74cd3249dabab5d6714b0f516b88c4658da4d6cce6c003bc45d919"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "2d3b60757849aec204d15b8f8cbdfca38bdb76e50a5db3155c02049310b405dc", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "15", "text_hash": "f1fec8fed947918c682256e11c3f36b7a8375b548ff3f0cf49bf839a4ffb8790", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "2d3b60757849aec204d15b8f8cbdfca38bdb76e50a5db3155c02049310b405dc", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "15", "link_map": {"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "7003abb96effa322e8f5a61217bbb338c8fd543b039314463c227620c2f63fb3", "content_hash": "f1fec8fed947918c682256e11c3f36b7a8375b548ff3f0cf49bf839a4ffb8790", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/15/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "bbc89cd7e243ed7051f6e82b92f54fe8a97cbf4a673c2c4b39d9e8c8b7c422d3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[37]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/15/facts/0/label": "Direction", "/versions/15/facts/0/value": "Frontend \u2194 backend", "/versions/15/facts/1/label": "First wire field", "/versions/15/facts/2/label": "Field entries", "/versions/15/facts/3/label": "Documented flow contexts", "/versions/15/facts/3/value": "COPY Operations", "/versions/15/tables/0/title": "Wire fields in documented order", "/versions/15/related/0/label": "Protocol flow and exchange examples", "/versions/15/related/1/label": "Protocol overview", "/versions/15/related/2/label": "COPY Operations", "/versions/15/sections/0/title": "Framing and repetition", "/versions/15/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/15/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/15/tables/0/rows/2/c1": "Byte n", "/versions/15/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/15/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/15/tables/0/columns/0/label": "Position", "/versions/15/tables/0/columns/1/label": "Format", "/versions/15/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a44dc9f356e4eab0801972de34dbf8a04c6a591c0e5221c8aab78e4ec8577b40", "canonical_center_text_hash": "f1fec8fed947918c682256e11c3f36b7a8375b548ff3f0cf49bf839a4ffb8790"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "16": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/16/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/16/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 16 English manual", "sha256": "c15646b30727f469cdac3bd411e50dc9b14ee85982a9c9c8a2b3e16449b39a46"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "946878380e75c5be714c64acea09be8def59c6cef3e55294297b869a6ca038f0", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "81cf9cedaa2d535006493b4a773eb3c7a6eaaa8d12e0d65afddd3715fa8fb276", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "16", "text_hash": "87b906eb9f179cc4ad6ce1a2546211962d936d9b416a429908bb595b51f87709", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "946878380e75c5be714c64acea09be8def59c6cef3e55294297b869a6ca038f0", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "81cf9cedaa2d535006493b4a773eb3c7a6eaaa8d12e0d65afddd3715fa8fb276", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "16", "link_map": {"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "d655a5708864fa2f5272c6fb5e92411c1060aadd534b324ba23aef988a26dcef", "content_hash": "87b906eb9f179cc4ad6ce1a2546211962d936d9b416a429908bb595b51f87709", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/16/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "638e90eeb4ff3d56cd0c9c95e1203af6bb87aa147ec72623c9dd5eb4b9605ec3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/16/facts/0/label": "Direction", "/versions/16/facts/0/value": "Frontend \u2194 backend", "/versions/16/facts/1/label": "First wire field", "/versions/16/facts/2/label": "Field entries", "/versions/16/facts/3/label": "Documented flow contexts", "/versions/16/facts/3/value": "COPY Operations", "/versions/16/tables/0/title": "Wire fields in documented order", "/versions/16/related/0/label": "Protocol flow and exchange examples", "/versions/16/related/1/label": "Protocol overview", "/versions/16/related/2/label": "COPY Operations", "/versions/16/sections/0/title": "Framing and repetition", "/versions/16/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/16/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/16/tables/0/rows/2/c1": "Byte n", "/versions/16/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/16/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/16/tables/0/columns/0/label": "Position", "/versions/16/tables/0/columns/1/label": "Format", "/versions/16/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "4ff24049db7e847f9e2f2bf6e83d8f8687d8353882e5ba3dc4570f862000f9a1", "canonical_center_text_hash": "87b906eb9f179cc4ad6ce1a2546211962d936d9b416a429908bb595b51f87709"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n\n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "17": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/17/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/17/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/17/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 17 English manual", "sha256": "3c0e7b8a1a8f7ec5026226eab83d6704b7c5199ec9ba1aaaf91ea517609eed4e"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "c8467fe00061ccdbe97f57659cf73b72cdeffdfe6a6e7e939143df1427c7b40f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "17", "text_hash": "f1f292126781e6309f66e15ec8cef74a7786ecb6beb45cd3b2ed24f5d9c007fc", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "c8467fe00061ccdbe97f57659cf73b72cdeffdfe6a6e7e939143df1427c7b40f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "17", "link_map": {"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "56d90e67b5062ea6bfc3e28d14d354f98a006cf24901f176d6ee7879f2e496e4", "content_hash": "f1f292126781e6309f66e15ec8cef74a7786ecb6beb45cd3b2ed24f5d9c007fc", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/17/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "d6412ab936b8b40cbe8abcad969c38c282e7039b7b2c6805eb126a28008f973d", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/17/facts/0/label": "Direction", "/versions/17/facts/0/value": "Frontend \u2194 backend", "/versions/17/facts/1/label": "First wire field", "/versions/17/facts/2/label": "Field entries", "/versions/17/facts/3/label": "Documented flow contexts", "/versions/17/facts/3/value": "COPY Operations", "/versions/17/tables/0/title": "Wire fields in documented order", "/versions/17/related/0/label": "Protocol flow and exchange examples", "/versions/17/related/1/label": "Protocol overview", "/versions/17/related/2/label": "COPY Operations", "/versions/17/sections/0/title": "Framing and repetition", "/versions/17/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/17/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/17/tables/0/rows/2/c1": "Byte n", "/versions/17/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/17/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/17/tables/0/columns/0/label": "Position", "/versions/17/tables/0/columns/1/label": "Format", "/versions/17/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "cc6b30d77f0d86088a2fe5f94ab9aa5fe9042716ef6d8f58a4aaab3ce10d44d8", "canonical_center_text_hash": "f1f292126781e6309f66e15ec8cef74a7786ecb6beb45cd3b2ed24f5d9c007fc"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "18": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/18/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/18/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/18/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 18 English manual", "sha256": "53f37652ac2c089e30ada87d8aee7bdd0f26695b03f275302e526a807d2a1f23"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "51ffb41f8b9f3821f54758d92ba9800fe0e9f07e75ff5d9de0ee4588df12f06f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "18", "text_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "51ffb41f8b9f3821f54758d92ba9800fe0e9f07e75ff5d9de0ee4588df12f06f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "e121b50068c5e0cb51c1c6140cd58e4767d6f3ce7009fdf4279cf8277df9ede8", "content_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Frontend \u2194 backend", "/versions/18/facts/1/label": "First wire field", "/versions/18/facts/2/label": "Field entries", "/versions/18/facts/3/label": "Documented flow contexts", "/versions/18/facts/3/value": "COPY Operations", "/versions/18/tables/0/title": "Wire fields in documented order", "/versions/18/related/0/label": "Protocol flow and exchange examples", "/versions/18/related/1/label": "Protocol overview", "/versions/18/related/2/label": "COPY Operations", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c1": "Byte n", "/versions/18/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/18/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/18/tables/0/columns/0/label": "Position", "/versions/18/tables/0/columns/1/label": "Format", "/versions/18/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "1f7e03066b2f9d6c436ca692f7acc7bdeddbe045341071010f6d977fd0fad514", "canonical_center_text_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "19": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/19/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/19/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/19/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sources": [{"url": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 19 English manual", "sha256": "2c15f7acfa00dccea808b6f5fc4406e3c41821ff2f6b2248c92a21d3b837500b"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "cfae35a6177ce171f6c3bf7e78290fb68ef188c5e71988214cfe66d1b3908505", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "19", "text_hash": "4231c68eb0cb71623f16d55b5fba43a7c845a74f8cd279b3c5f1d204e272496e", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "cfae35a6177ce171f6c3bf7e78290fb68ef188c5e71988214cfe66d1b3908505", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "19", "link_map": {"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "5c98d151412e7245d9719e8b2f43ee3f8ac029776fbc6330c869d5ed1964c255", "content_hash": "4231c68eb0cb71623f16d55b5fba43a7c845a74f8cd279b3c5f1d204e272496e", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/19/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/19/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "c1bf02758e5b347662df055d3c8807b753fab16fc7238ed640efe95863588bff", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/19/facts/0/label": "Direction", "/versions/19/facts/0/value": "Frontend \u2194 backend", "/versions/19/facts/1/label": "First wire field", "/versions/19/facts/2/label": "Field entries", "/versions/19/facts/3/label": "Documented flow contexts", "/versions/19/facts/3/value": "COPY Operations", "/versions/19/tables/0/title": "Wire fields in documented order", "/versions/19/related/0/label": "Protocol flow and exchange examples", "/versions/19/related/1/label": "Protocol overview", "/versions/19/related/2/label": "COPY Operations", "/versions/19/sections/0/title": "Framing and repetition", "/versions/19/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/19/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/19/tables/0/rows/2/c1": "Byte n", "/versions/19/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/19/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/19/tables/0/columns/0/label": "Position", "/versions/19/tables/0/columns/1/label": "Format", "/versions/19/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d1d35fb11c5abb56ec6565964e24f9e0cb6c04bee3f96b83d887af6442878c68", "canonical_center_text_hash": "4231c68eb0cb71623f16d55b5fba43a7c845a74f8cd279b3c5f1d204e272496e"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "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": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/devel/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/devel/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/devel/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sources": [{"url": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 20 English manual", "sha256": "139753a4086271f4e3eaec3d9dae795c6d6f73bf0af9ca2c02fc2c177e5526fd"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "1f297e8daa3fc337a761eaa0613ba7c5e307b422f8b045b5b814ade03f6d61b3", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "20", "text_hash": "ba18c49d7798cc8356a9978bd8927884dce360489a3740e57b3a83eca1b77838", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "1f297e8daa3fc337a761eaa0613ba7c5e307b422f8b045b5b814ade03f6d61b3", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "20", "link_map": {"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "9b2ba9f63131fe0290400cc210c69728c40f1994fcb949132b0ac6f8bc6ff45a", "content_hash": "ba18c49d7798cc8356a9978bd8927884dce360489a3740e57b3a83eca1b77838", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/devel/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "cacb5413fe2995ee79c58230881c08df2077aa918b5f243895b62e065ee7448e", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/summary": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/category": "Bidirectional messages", "/versions/20/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/20/facts/0/label": "Direction", "/versions/20/facts/0/value": "Frontend \u2194 backend", "/versions/20/facts/1/label": "First wire field", "/versions/20/facts/2/label": "Field entries", "/versions/20/facts/3/label": "Documented flow contexts", "/versions/20/facts/3/value": "COPY Operations", "/versions/20/tables/0/title": "Wire fields in documented order", "/versions/20/related/0/label": "Protocol flow and exchange examples", "/versions/20/related/1/label": "Protocol overview", "/versions/20/related/2/label": "COPY Operations", "/versions/20/sections/0/title": "Framing and repetition", "/versions/20/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/20/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/20/tables/0/rows/2/c1": "Byte n", "/versions/20/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/20/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/20/tables/0/columns/0/label": "Position", "/versions/20/tables/0/columns/1/label": "Format", "/versions/20/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "17342a0ffcce669883357296947c82063226859dff64c9185e6ca231e1a4c0a7", "canonical_center_text_hash": "ba18c49d7798cc8356a9978bd8927884dce360489a3740e57b3a83eca1b77838"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "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": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/18/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/18/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/18/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "path": "protocol-message-formats.html", "label": "PostgreSQL 18 English manual", "sha256": "53f37652ac2c089e30ada87d8aee7bdd0f26695b03f275302e526a807d2a1f23"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "51ffb41f8b9f3821f54758d92ba9800fe0e9f07e75ff5d9de0ee4588df12f06f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "CopyData", "locale": "zh-Hans", "source": {"key": "copydata-f-and-b", "locale": "zh-Hans", "version": "18", "text_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2194 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('d')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "COPY \u64cd\u4f5c"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-COPYDATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "6256d13f73ff555eae15adb56bbe79cc4ba30330373dcafa4a7a6b178b7f41e6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "51ffb41f8b9f3821f54758d92ba9800fe0e9f07e75ff5d9de0ee4588df12f06f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYDATA"}, "body_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "e121b50068c5e0cb51c1c6140cd58e4767d6f3ce7009fdf4279cf8277df9ede8", "content_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "F & B", "signature": "CopyData (F & B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('d')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Byte n", "c2": "\u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[35]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "CopyData is a bidirectional protocol message. Identifies the message as COPY data.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Frontend \u2194 backend", "/versions/18/facts/1/label": "First wire field", "/versions/18/facts/2/label": "Field entries", "/versions/18/facts/3/label": "Documented flow contexts", "/versions/18/facts/3/value": "COPY Operations", "/versions/18/tables/0/title": "Wire fields in documented order", "/versions/18/related/0/label": "Protocol flow and exchange examples", "/versions/18/related/1/label": "Protocol overview", "/versions/18/related/2/label": "COPY Operations", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as COPY data.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c1": "Byte n", "/versions/18/tables/0/rows/2/c2": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily.", "/versions/18/sections/0/paragraphs/0": "The complete definition below retains repetition, counts and conditional fields. A numbered table row is a documented field definition, not a fixed byte offset. Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/18/tables/0/columns/0/label": "Position", "/versions/18/tables/0/columns/1/label": "Format", "/versions/18/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "1f7e03066b2f9d6c436ca692f7acc7bdeddbe045341071010f6d977fd0fad514", "canonical_center_text_hash": "d91266065eb21a720c1186a7fde554e44394e1e1f94a6e1053e75054b7310e37"}, "description_zh": "Byte1('d') \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002", "comparison_data": {"fields": [{"format": "Byte1('d')", "description": "Identifies the message as COPY data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte n", "description": "Data that forms part of a COPY data stream. Messages sent from the backend will always correspond to single data rows, but messages sent by frontends might divide the data stream arbitrarily."}], "direction": "F & B"}, "comparison_hash": "6489683ccbfc15a68ff0d7af6a4e69947faaa27ccbb7b66c8fec18a7fc9a91cf", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "\u534f\u8bae\u6d88\u606f CopyData (F & B)\u3002
\n \u6807\u8bc6\u6d88\u606f\u4e3a COPY \u6570\u636e\u3002\n
\n \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n
n \n \u6570\u636e\u662f COPY \u6570\u636e\u6d41\u7684\u4e00\u90e8\u5206\u3002\u6765\u81ea\u540e\u7aef\u7684\u6d88\u606f\u59cb\u7ec8\u5bf9\u5e94\u5355\u4e2a\u6570\u636e\u884c\uff0c\u4f46\u6765\u81ea\u524d\u7aef\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u4efb\u610f\u5212\u5206\u6570\u636e\u6d41\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}