\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 Describe (F)\u3002
\n
\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "5c45d36fc2e21c35874e5e1bdbf50ec139b7a6365f371966f9d2a9455e0f52e4", "content_hash": "0eccd84c017a1c423be1a9e147fa374d254d74c381c024c04f461d29f42356a3", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "165b454cf9ff6825d21a4252844d43764fca541eafd0649170257d230e23425b", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[18]/pre[23]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/10/facts/0/label": "Direction", "/versions/10/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/10/sections/0/title": "Framing and repetition", "/versions/10/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/10/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/10/tables/0/rows/3/c1": "String", "/versions/10/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "df3025d89dae21d05360d1bac5f9cc17499c7f379be71a2a0a0a4b38b3a6327f", "canonical_center_text_hash": "0eccd84c017a1c423be1a9e147fa374d254d74c381c024c04f461d29f42356a3"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002\n
\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002
'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "11": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "d2abfd15ba89884a18711be5ca7483cb83e707e6a24d88587d23ac4222da6863", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "11", "text_hash": "99687483d56bbf7ad38d4cd4a475273a227f67bc591d285857951434242bc564", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "d2abfd15ba89884a18711be5ca7483cb83e707e6a24d88587d23ac4222da6863", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "54cab71b6931ef721c260322e053a21674645ee74c70ae568975da38e079712a", "content_hash": "99687483d56bbf7ad38d4cd4a475273a227f67bc591d285857951434242bc564", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "e3239ad05fc4bad945529e631d9e5da84363b31e6e589461b97d69386cc43e7f", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[18]/pre[23]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/11/facts/0/label": "Direction", "/versions/11/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/11/sections/0/title": "Framing and repetition", "/versions/11/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/11/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/11/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/11/tables/0/rows/3/c1": "String", "/versions/11/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "19f60c4855cf53c1a5b9c1c23f92f48c7dfa79c858114a55640ef29cc0f0302c", "canonical_center_text_hash": "99687483d56bbf7ad38d4cd4a475273a227f67bc591d285857951434242bc564"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "12": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "26f5d98b61e57d67d5b66ada7ccfdc2a8cf7c6313d3057bf19af083d17f10138", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "12", "text_hash": "5e2dce632972a25ab2a231c41080a6c841659ed9a357384ebe0e49918df3cbec", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "26f5d98b61e57d67d5b66ada7ccfdc2a8cf7c6313d3057bf19af083d17f10138", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "725e3a7991b6664a1157518a8ad065ea7d0189170c4786f94c387a73902619c3", "content_hash": "5e2dce632972a25ab2a231c41080a6c841659ed9a357384ebe0e49918df3cbec", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "5a46150e3fb4bd47dd2a421735d2e7672c4368f9209446b850d6adbf92d51b7e", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/12/facts/0/label": "Direction", "/versions/12/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/12/sections/0/title": "Framing and repetition", "/versions/12/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/12/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/12/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/12/tables/0/rows/3/c1": "String", "/versions/12/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "52b849300f64091d45f4b004d78185795f030ae4b2d004e68a8ddbb981fcac13", "canonical_center_text_hash": "5e2dce632972a25ab2a231c41080a6c841659ed9a357384ebe0e49918df3cbec"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "13": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "663b90c5f74318bc20f346520a3d59f28cbf5895399d93879ff58b90a202b5f0", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "13", "text_hash": "b5774e433bedc37ec7ac31620cd2c9aac53c383ba9516b247d64de7ee68eb233", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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": "258ccb867a803722fb335bdc3dee4547856ccad221e993ba34d585da97bc8881", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "663b90c5f74318bc20f346520a3d59f28cbf5895399d93879ff58b90a202b5f0", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "b625c350f110554313103d34d29bd55f0d00e08b23f54428fb3dd74643798434", "content_hash": "b5774e433bedc37ec7ac31620cd2c9aac53c383ba9516b247d64de7ee68eb233", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "4f40d591dd48f8b5cb58a4f0af9b824d2b0b6dee2132a6a010128e4f9b64184b", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/13/facts/0/label": "Direction", "/versions/13/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/13/sections/0/title": "Framing and repetition", "/versions/13/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/13/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/13/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/13/tables/0/rows/3/c1": "String", "/versions/13/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "6ba32904bac2ef9c516f5d5d178c3db50b7e64eb128b1aedaedae4239b844ec3", "canonical_center_text_hash": "b5774e433bedc37ec7ac31620cd2c9aac53c383ba9516b247d64de7ee68eb233"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "14": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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": "097bfb2fc3ff0d056d9b438ee2f5f2ba553a15adec6d62862874f8116f5413c5", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "3da53cce852c27b725d0f396a41d2b161bf08d9303291c1d36120ba82a97436c", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "14", "text_hash": "3a1ace050805066ec5b94ed73d0a16eec6495a96682c54c117f526d845ec8a1c", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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": "097bfb2fc3ff0d056d9b438ee2f5f2ba553a15adec6d62862874f8116f5413c5", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "3da53cce852c27b725d0f396a41d2b161bf08d9303291c1d36120ba82a97436c", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "11a2c3e7009366aff318251bfa81e6083c53faad7030d9678a6130f3c1cf2349", "content_hash": "3a1ace050805066ec5b94ed73d0a16eec6495a96682c54c117f526d845ec8a1c", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "6caaf22252a97833322c667923644122c2e880284c9f623b4ccbad4929b6ce66", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/14/facts/0/label": "Direction", "/versions/14/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/14/sections/0/title": "Framing and repetition", "/versions/14/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/14/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/14/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/14/tables/0/rows/3/c1": "String", "/versions/14/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "7c6d1f99ca58e02972eafe60f5410abbca2ea7e440779e2ae316a783274f8416", "canonical_center_text_hash": "3a1ace050805066ec5b94ed73d0a16eec6495a96682c54c117f526d845ec8a1c"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "15": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "d8425fdd8bb5ef76702889aeb423ba3d5ffa9578263d27d11bb180730f01af93", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "15", "text_hash": "b57fc33a4e9ad810b054d88781b6a3fedfb78f91ddde789acfbfb21b72410469", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "d8425fdd8bb5ef76702889aeb423ba3d5ffa9578263d27d11bb180730f01af93", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "15", "link_map": {"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "73b996d58ce3845b03da3b1160d655ec55fd46dafbf2e79d7b4d670d0f06eb7e", "content_hash": "b57fc33a4e9ad810b054d88781b6a3fedfb78f91ddde789acfbfb21b72410469", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "1de5ac3fcff666e4a6ac070ff5320df19ce2a518ff29c894afc9071d51b938ff", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[51]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[51]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/15/facts/0/label": "Direction", "/versions/15/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/15/sections/0/title": "Framing and repetition", "/versions/15/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/15/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/15/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/15/tables/0/rows/3/c1": "String", "/versions/15/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "2d65d37ff4033edf38e8c618a314aa6e63115b1d2d65219e37fc47b86f07669d", "canonical_center_text_hash": "b57fc33a4e9ad810b054d88781b6a3fedfb78f91ddde789acfbfb21b72410469"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "16": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "097bfb2fc3ff0d056d9b438ee2f5f2ba553a15adec6d62862874f8116f5413c5", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "05dc8ec6a03c97b503e223b21e7731cf61c78865674da44db6d133e1e2d91b79", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "16", "text_hash": "5f02e0b3ed7a3d516582c8d01168723f1aa31b184417acb37941f01d2528cc48", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "097bfb2fc3ff0d056d9b438ee2f5f2ba553a15adec6d62862874f8116f5413c5", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "05dc8ec6a03c97b503e223b21e7731cf61c78865674da44db6d133e1e2d91b79", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "16", "link_map": {"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "0cf4f7e90d60b0321596f9569c1e3acdabf8565c5d240d2a0888486213a6d3b5", "content_hash": "5f02e0b3ed7a3d516582c8d01168723f1aa31b184417acb37941f01d2528cc48", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "4d3ca6065016169a03abc9b3a57654fda5765ebb94074fa4eb578485f6807205", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/16/facts/0/label": "Direction", "/versions/16/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/16/sections/0/title": "Framing and repetition", "/versions/16/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/16/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/16/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/16/tables/0/rows/3/c1": "String", "/versions/16/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "edca5cfb667b5ec93f5285933c45a6b961d541da33aeca94ced6ed7706f46724", "canonical_center_text_hash": "5f02e0b3ed7a3d516582c8d01168723f1aa31b184417acb37941f01d2528cc48"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "17": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "17f8d09473bb5c062a3e6c86bbc0f4dce7596693a05e1ce7f70be4ec290c0847", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "17", "text_hash": "a228acb8546224c87332082942f1ff5d2c3c1ec799c03939aa5b8d62d5623cf9", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "17f8d09473bb5c062a3e6c86bbc0f4dce7596693a05e1ce7f70be4ec290c0847", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "17", "link_map": {"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "0c8b3d0bac48fb0d8ae135aabf01e46232872b4e39003299015937eca4e77b26", "content_hash": "a228acb8546224c87332082942f1ff5d2c3c1ec799c03939aa5b8d62d5623cf9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "8d2627b39aa9ad8449221de824f0c89af32197e8db7972fbc03b43dfcd0e9a93", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/17/facts/0/label": "Direction", "/versions/17/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/17/sections/0/title": "Framing and repetition", "/versions/17/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/17/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/17/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/17/tables/0/rows/3/c1": "String", "/versions/17/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "0799f0e7be9198bbccf66e8c97ea0156ed5149428a0f99cd418547aefb297afc", "canonical_center_text_hash": "a228acb8546224c87332082942f1ff5d2c3c1ec799c03939aa5b8d62d5623cf9"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "18": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "68f9ae6c02d0c52ae849a51b287328bf7b516f9f17d32e0544986e460f97c124", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "18", "text_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "68f9ae6c02d0c52ae849a51b287328bf7b516f9f17d32e0544986e460f97c124", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "8a0c4e246cdd7048ebf0630e47554932ebdba1e6a78996c23780ce022b99d940", "content_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "b9e8f98a0b5f2a4ec7b5197d02ab40c0ac0635a678c32728aaadd43cb4cd3766", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/18/tables/0/rows/3/c1": "String", "/versions/18/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "e779ca984b28382e313d6b8c5d2e4c73aefc56c4db15d4f41810ca4ae400b05b", "canonical_center_text_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "19": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "3f645bbddfe45725b60e7e690eb996d6cd9a9c7f2f03430e6a9fff163bc7f57a", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "19", "text_hash": "bb9cced3d21a4309c8e334ef2ae8314013ab3ae8837bae08256718811fde039b", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "3f645bbddfe45725b60e7e690eb996d6cd9a9c7f2f03430e6a9fff163bc7f57a", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "19", "link_map": {"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "6ab36d1f662bb8222f71334e3b682a7d3ba832deddb473b899e52dc8ee245cba", "content_hash": "bb9cced3d21a4309c8e334ef2ae8314013ab3ae8837bae08256718811fde039b", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "3e9557f5a65838e08890f25b0cc62147ef278263efb1c2462b7906308771ae60", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/19/facts/0/label": "Direction", "/versions/19/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/19/sections/0/title": "Framing and repetition", "/versions/19/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/19/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/19/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/19/tables/0/rows/3/c1": "String", "/versions/19/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "68a15a05a99b0af24d8bf5b49204d7c1972dcc4bdc42a9aed1e99346c7792abd", "canonical_center_text_hash": "bb9cced3d21a4309c8e334ef2ae8314013ab3ae8837bae08256718811fde039b"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "d9d8281d3a630534f548664b3e79275ac681b80616f4e79d69140e30ff9aec01", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "20", "text_hash": "169cb1d1510735c66da423a18758b0584f2fc5ea03e36d60c32cd86fac309e09", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "d9d8281d3a630534f548664b3e79275ac681b80616f4e79d69140e30ff9aec01", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "20", "link_map": {"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "d152b875f0dd5bf10a63d223fef11ffd67839ac7b1cd2b668b6da1d82cac62e9", "content_hash": "169cb1d1510735c66da423a18758b0584f2fc5ea03e36d60c32cd86fac309e09", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "0bfc34c3ea3eb808f83865871c3fdad1265f64037c9a9aab3fecc96f1d1632d1", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/summary": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/category": "Frontend messages", "/versions/20/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/20/facts/0/label": "Direction", "/versions/20/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/20/sections/0/title": "Framing and repetition", "/versions/20/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/20/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/20/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/20/tables/0/rows/3/c1": "String", "/versions/20/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "7546d2178aa91c244442f5128a50a21b5fd498fd81a54afe0e1c520d5cb7642c", "canonical_center_text_hash": "169cb1d1510735c66da423a18758b0584f2fc5ea03e36d60c32cd86fac309e09"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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 \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "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-DESCRIBE", "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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "68f9ae6c02d0c52ae849a51b287328bf7b516f9f17d32e0544986e460f97c124", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "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": "Describe", "locale": "zh-Hans", "source": {"key": "describe-f", "locale": "zh-Hans", "version": "18", "text_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u524d\u7aef \u2192 \u540e\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "4"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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-DESCRIBE", "anchor": "PROTOCOL-MESSAGE-FORMATS-DESCRIBE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "3eabf06899c15e5625c9e55dde327591ad1c5aecdf6cee5cb44849fa49e6c98c", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "68f9ae6c02d0c52ae849a51b287328bf7b516f9f17d32e0544986e460f97c124", "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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "summary": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DESCRIBE"}, "body_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "body_sha256": "8a0c4e246cdd7048ebf0630e47554932ebdba1e6a78996c23780ce022b99d940", "content_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "F", "signature": "Describe (F)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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": "Byte1", "c2": "' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002"}, {"c0": "4", "c1": "\u5b57\u7b26\u4e32", "c2": "\u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\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/datatype-json.html", "method": "same-major semantic node", "sha256": "b9e8f98a0b5f2a4ec7b5197d02ab40c0ac0635a678c32728aaadd43cb4cd3766", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"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[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[7]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Describe is a frontend protocol message. Identifies the message as a Describe command.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Frontend \u2192 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": "Extended Query", "/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": "Extended Query", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a Describe command.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "' S ' to describe a prepared statement; or ' P ' to describe a portal.", "/versions/18/tables/0/rows/3/c1": "String", "/versions/18/tables/0/rows/3/c2": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal).", "/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": "e779ca984b28382e313d6b8c5d2e4c73aefc56c4db15d4f41810ca4ae400b05b", "canonical_center_text_hash": "13677fddcf6be1f92618bf121c9280a99c138565fcd4c8bb7336cbf8b0c231e9"}, "description_zh": "Byte1('D') \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Byte1 ' S ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005 ' P ' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002 String \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a Describe command."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Byte1", "description": "' S ' to describe a prepared statement; or ' P ' to describe a portal."}, {"format": "String", "description": "The name of the prepared statement or portal to describe (an empty string selects the unnamed prepared statement or portal)."}], "direction": "F"}, "comparison_hash": "45b27fbfaae8aeadc619c80026805ce01b6d7d2a587deab9cdadb1a8f751f8fc", "manual_language": "zh", "description_zh_html": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
", "center_zh_rendered": "\u534f\u8bae\u6d88\u606f Describe (F)\u3002
\n \u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Describe \u547d\u4ee4\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 'S' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a\u9884\u5907\u8bed\u53e5\uff1b\u6216\u8005\n 'P' \u8868\u793a\u63cf\u8ff0\u4e00\u4e2a portal\u3002\n
\n \u8981\u63cf\u8ff0\u7684\u9884\u5907\u8bed\u53e5\u6216 portal \u7684\u540d\u79f0\uff08\u7a7a\u5b57\u7b26\u4e32\u9009\u62e9\u672a\u547d\u540d\u7684\u9884\u5907\u8bed\u53e5\u6216 portal\uff09\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}