{"kind": "protocol", "major": "18", "item": {"slug": "nodata-b", "name": "NoData", "name_zh": "", "category": "\u540e\u7aef\u6d88\u606f", "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "aliases": ["NoData", "Byte1('n')"], "content_hash": "8fa6964d904eb721f78350767a76ee23fdb71fbfb2f66ca58aa86225ba915eac", "versions": {"10": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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/10/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/10/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/10/protocol-flow.html#PROTOCOL-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 10 English manual", "sha256": "b730a205dfc348a67edbc1e9687f2c2df69005fe30c062ef76e37b474538e4f8"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8128c15b60fa3298facda053424e38e11bcd21152f2d35599f1f5894d9dd8db", "fragment_sha256": "3feec3ca9e4f1fd31df5d796d79cb01fbe254ec2e9d636b352073cbb0ce5d149", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "52e50ef7347e9fadbf1b3808f4dea7ca16b284fee1a34e20c0a9c9e4c5309910", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "10", "text_hash": "8e7776e6aebaac83b651e0dfb53919193fabaf0cac7d3e780232d3dd5b6ae37c", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8128c15b60fa3298facda053424e38e11bcd21152f2d35599f1f5894d9dd8db", "fragment_sha256": "3feec3ca9e4f1fd31df5d796d79cb01fbe254ec2e9d636b352073cbb0ce5d149", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "52e50ef7347e9fadbf1b3808f4dea7ca16b284fee1a34e20c0a9c9e4c5309910", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">        Byte1('n')</span></dt><dd><p>         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>        Byte1(&#39;n&#39;)</span></dt><dd><p>         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "168b0f27ef63b905ceecacced0cb072ef7623ee3c3617a6ae2d6d32dfc8dd2c1", "content_hash": "8e7776e6aebaac83b651e0dfb53919193fabaf0cac7d3e780232d3dd5b6ae37c", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/10/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/10/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "fb3f5382c61e7fcc0eaa29589ac1811e59b1cc7a8bd23c1ebe5fc8f17c9819b2", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/10/facts/0/label": "Direction", "/versions/10/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "f663290d9b7a64ac609d10cfb917d7afb4c185fb70ba9e31bff1ba91ed797a8e", "canonical_center_text_hash": "8e7776e6aebaac83b651e0dfb53919193fabaf0cac7d3e780232d3dd5b6ae37c"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>        Byte1(&#39;n&#39;)</span></dt><dd><p>         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "11": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "6eb427ee993fabb10fbd4b40a0e20f499d02961ce4c689245216a8ba7868065c", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "11", "text_hash": "f208ce1d3c74113a3aa0cd6d9384b65d733dc85becd19012458ffc17ed059caa", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "6eb427ee993fabb10fbd4b40a0e20f499d02961ce4c689245216a8ba7868065c", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">\n        Byte1('n')\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "1fb1eab19780f1c47311660407168a1d86cbd89b7fc2446f0cd70d98d40501c4", "content_hash": "f208ce1d3c74113a3aa0cd6d9384b65d733dc85becd19012458ffc17ed059caa", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/11/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "9726c6197a98d51a4e85474eefe4eebef23c1e01c1accd23e4633aa0e78288ea", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/11/facts/0/label": "Direction", "/versions/11/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/11/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "f824badc035335ce51de9d11e4928610f15302cd72cf09c615bb428b6192ff1c", "canonical_center_text_hash": "f208ce1d3c74113a3aa0cd6d9384b65d733dc85becd19012458ffc17ed059caa"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/11/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "12": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "ec710d83c0c21bcbc5090c3897fcb5f0954ac1c64b6763dd7f8457a861f68f02", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "12", "text_hash": "72defee10d04645f5ef66e608eaaf09719761f8deb938caa054fe08da7c6b4e7", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "ec710d83c0c21bcbc5090c3897fcb5f0954ac1c64b6763dd7f8457a861f68f02", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">\n        Byte1('n')\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "133982771c97e24ad8d514a56b9b91ab2510f6699e9a4475a3b158304f68e439", "content_hash": "72defee10d04645f5ef66e608eaaf09719761f8deb938caa054fe08da7c6b4e7", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/12/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/12/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "1d8b90803d96546f1f4c7412e486a669852503476ec078069948005061c1122c", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/12/facts/0/label": "Direction", "/versions/12/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/12/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "584a1a13ed7f9dba0424d17279996ed6c48ac25719d44c1301e6fe6704c87c08", "canonical_center_text_hash": "72defee10d04645f5ef66e608eaaf09719761f8deb938caa054fe08da7c6b4e7"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "13": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "39888227c4326274ba60bed4f85206b2e6eb8b19137fd4380223d4d3b1cab4f3", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "13", "text_hash": "a675eb8a67c4757ecaec761359c133786c3d73f75692bbcb7909fea5ed8f4038", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "bdde4f9213fa1ce43c915f1d5ab5563eb655d108dc561a035b941d2dc8b9dd1f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "39888227c4326274ba60bed4f85206b2e6eb8b19137fd4380223d4d3b1cab4f3", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">\n        Byte1('n')\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "7821b8d5f8dee9602493b85fc85aff205a9bd06aa3d1e92a32d8236956013eed", "content_hash": "a675eb8a67c4757ecaec761359c133786c3d73f75692bbcb7909fea5ed8f4038", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/13/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "90801323e211e99834ac2c19f534fccad08d74098fbce82899c1e1970d871906", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/13/facts/0/label": "Direction", "/versions/13/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/13/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "78cf3454a009cc58f83e1b87d2d33b4ecd90ce9fcb87b4f9c7bfe7d085ea9588", "canonical_center_text_hash": "a675eb8a67c4757ecaec761359c133786c3d73f75692bbcb7909fea5ed8f4038"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>\n        Byte1(&#39;n&#39;)\n</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/13/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "14": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "c462c65bdc7518f317b3aec14d116297bf23261637b40d806ba76df8d542a1da", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "56b7ffe7ec2d6d3afaa20f1f3a52d6c76486f536ad7f8cbdda6ac578ea433356", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "14", "text_hash": "f6f175a08a6fb990e50a23f1d3baaf6c7f922950639b8d79bf5122d2a0f901db", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "c462c65bdc7518f317b3aec14d116297bf23261637b40d806ba76df8d542a1da", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "56b7ffe7ec2d6d3afaa20f1f3a52d6c76486f536ad7f8cbdda6ac578ea433356", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "08d48cc9e28dddbd8c99ffcb3377ec14f1f6ed50782c1e6505afd60b923144f1", "content_hash": "f6f175a08a6fb990e50a23f1d3baaf6c7f922950639b8d79bf5122d2a0f901db", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/14/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "a125a259c8ea8299be50b5d5d8241c513d8b38df4c6f16cf53b7949a63e2f8aa", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[71]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/14/facts/0/label": "Direction", "/versions/14/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/14/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "2d84f5612216058a5c2449fb63a8ca007dd0d5f8fe049c02fa0486787f7d1b8f", "canonical_center_text_hash": "f6f175a08a6fb990e50a23f1d3baaf6c7f922950639b8d79bf5122d2a0f901db"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/14/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "15": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "f5cdc90bff36c03945433b8c066463e7f926ec724f87db10af84fae15e0ad027", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "15", "text_hash": "4a0b4bdf7a55c2035ffcf60061b26e3cefd457047a6ad0c18bae5b39d243cf29", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "f5cdc90bff36c03945433b8c066463e7f926ec724f87db10af84fae15e0ad027", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "15", "link_map": {"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "c671c2dd2e1955c2985137fd0659c5b5bc07e88974be01f0868df523757de497", "content_hash": "4a0b4bdf7a55c2035ffcf60061b26e3cefd457047a6ad0c18bae5b39d243cf29", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/15/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "bbc89cd7e243ed7051f6e82b92f54fe8a97cbf4a673c2c4b39d9e8c8b7c422d3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[71]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/15/facts/0/label": "Direction", "/versions/15/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/15/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "2fc55386a8f0e1b2abf39c694f24da6f643dd47c741dc0f2f0c317ab849ef43f", "canonical_center_text_hash": "4a0b4bdf7a55c2035ffcf60061b26e3cefd457047a6ad0c18bae5b39d243cf29"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "16": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "c462c65bdc7518f317b3aec14d116297bf23261637b40d806ba76df8d542a1da", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "4637ee1547baa731d1c179ec199f6fb968d03b52e0e676c30c167ead3e576e4b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "16", "text_hash": "365b24f40e8398dce7355cf1e0b8094f3de6896fa06b3e05131aa0eada301e1e", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "c462c65bdc7518f317b3aec14d116297bf23261637b40d806ba76df8d542a1da", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "4637ee1547baa731d1c179ec199f6fb968d03b52e0e676c30c167ead3e576e4b", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "16", "link_map": {"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "4c46bc2f4262b800cd2c5c0ac731c0aa4f765ca5dfd9436c7fcad412e8f0c8b2", "content_hash": "365b24f40e8398dce7355cf1e0b8094f3de6896fa06b3e05131aa0eada301e1e", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/16/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "638e90eeb4ff3d56cd0c9c95e1203af6bb87aa147ec72623c9dd5eb4b9605ec3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/16/facts/0/label": "Direction", "/versions/16/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/16/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "a0ce2e0b07725d70c213e352b824838f9bef3cf2578e7cfab869b74fb7712919", "canonical_center_text_hash": "365b24f40e8398dce7355cf1e0b8094f3de6896fa06b3e05131aa0eada301e1e"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span></dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span></dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "17": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "e6d44e8ebe30420b7c8886dc343d6a9ab947bda797e5bbed37f296fcb1123d7c", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "17", "text_hash": "bb10935abf42b46f9f232e9360e89e80f769251f5f5cbe9959c7db654ef44f53", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "e6d44e8ebe30420b7c8886dc343d6a9ab947bda797e5bbed37f296fcb1123d7c", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "17", "link_map": {"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "df40fe4dd188974ea63d4898741d960bff25586a1047834d8732db93ba9111b8", "content_hash": "bb10935abf42b46f9f232e9360e89e80f769251f5f5cbe9959c7db654ef44f53", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/17/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "d6412ab936b8b40cbe8abcad969c38c282e7039b7b2c6805eb126a28008f973d", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/17/facts/0/label": "Direction", "/versions/17/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/17/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "5880d841c3a843e3dd5c05202af95e1bf427a41004d1ab179719624262a249f0", "canonical_center_text_hash": "bb10935abf42b46f9f232e9360e89e80f769251f5f5cbe9959c7db654ef44f53"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "18": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "8f669ea35d82b4673ab0c19274c98f30dff225675f7d07962b2c1a9499ba5857", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "18", "text_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "8f669ea35d82b4673ab0c19274c98f30dff225675f7d07962b2c1a9499ba5857", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "22eabdf192b2357101bff9a8f5017de56d2fce5d9a33f76d75d96d5a8b71e0b9", "content_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "5ef3651ba4f4e7caeaab303c6ecc0a2207d8f09cad2d54f2bb47ad142c0ed920", "canonical_center_text_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "19": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "686624864d431cc4bd10bab14b01986d802a9dd45c955e14b1408c615f1dab3f", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "19", "text_hash": "b5d119f395b90a6c4be00820fc4696b651f86df9faba79106b13553bbf5ec8a1", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "686624864d431cc4bd10bab14b01986d802a9dd45c955e14b1408c615f1dab3f", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "19", "link_map": {"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "101c9535259759d0760a031ca3029351b5073ba8f052281e8fdb7c4a8432e721", "content_hash": "b5d119f395b90a6c4be00820fc4696b651f86df9faba79106b13553bbf5ec8a1", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/19/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/19/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "c1bf02758e5b347662df055d3c8807b753fab16fc7238ed640efe95863588bff", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/19/facts/0/label": "Direction", "/versions/19/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/19/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "5421d471922c40fe3d9711288905646e4561d0c0311e6b44baf5be6bf22411de", "canonical_center_text_hash": "b5d119f395b90a6c4be00820fc4696b651f86df9faba79106b13553bbf5ec8a1"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "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": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "ea9341a3ddd00bdec510c440a6517b0bddd5bdb9e69ba5fe33c807363d937bde", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "20", "text_hash": "ca7b0004ed905e89c15c697d0fce1590806acb827116f869e0c5ed6278c3c91d", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "ea9341a3ddd00bdec510c440a6517b0bddd5bdb9e69ba5fe33c807363d937bde", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "20", "link_map": {"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "88e6323c6216f75c3416f15b4281688af370343400a20983a4344b80186ab136", "content_hash": "ca7b0004ed905e89c15c697d0fce1590806acb827116f869e0c5ed6278c3c91d", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/devel/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "cacb5413fe2995ee79c58230881c08df2077aa918b5f243895b62e065ee7448e", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/summary": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/category": "Backend messages", "/versions/20/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/20/facts/0/label": "Direction", "/versions/20/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/20/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "3068eb77d11067f50d6b55c36c8258276754561d2b3ab0b7ae7ae4258bcd97a3", "canonical_center_text_hash": "ca7b0004ed905e89c15c697d0fce1590806acb827116f869e0c5ed6278c3c91d"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "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": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "8f669ea35d82b4673ab0c19274c98f30dff225675f7d07962b2c1a9499ba5857", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"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": "NoData", "locale": "zh-Hans", "source": {"key": "nodata-b", "locale": "zh-Hans", "version": "18", "text_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('n')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "2"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u6269\u5c55\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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-NODATA", "anchor": "PROTOCOL-MESSAGE-FORMATS-NODATA", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "1595380e3111c59d871e0911926d6160e38d769f9cda52fa65c0d8f17aa388a9", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "8f669ea35d82b4673ab0c19274c98f30dff225675f7d07962b2c1a9499ba5857", "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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span class=\"term\">Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "22eabdf192b2357101bff9a8f5017de56d2fce5d9a33f76d75d96d5a8b71e0b9", "content_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "NoData (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('n')", "c2": "\u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002"}, {"c0": "2", "c1": "Int32(4)", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\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('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "NoData is a backend protocol message. Identifies the message as a no-data indicator.", "/versions/18/facts/0/label": "Direction", "/versions/18/facts/0/value": "Backend \u2192 frontend", "/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 no-data indicator.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/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": "5ef3651ba4f4e7caeaab303c6ecc0a2207d8f09cad2d54f2bb47ad142c0ed920", "canonical_center_text_hash": "1ce410f8dc9e779a5f7bdb4df788170f9922b6f7a3f4fc73502c3f99ec586e2f"}, "description_zh": "Byte1('n') \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002 Int32(4) \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002", "comparison_data": {"fields": [{"format": "Byte1('n')", "description": "Identifies the message as a no-data indicator."}, {"format": "Int32(4)", "description": "Length of message contents in bytes, including self."}], "direction": "B"}, "comparison_hash": "222ed6b6e2df1e7fb820608b1ef098c390ecbb1135aff1b084b4629abdd9e02f", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;n&#39;)</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>\u534f\u8bae\u6d88\u606f NoData (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('n')</span> </dt><dd><p>\n         \u5c06\u6d88\u606f\u6807\u8bc6\u4e3a\u65e0\u6570\u636e\u6307\u793a\u5668\u3002\n        </p></dd><dt><span>Int32(4)</span> </dt><dd><p>\n         \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002\n        </p></dd></dl></div></dd><p><a href=\"/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NODATA\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}