{"kind": "protocol", "major": "18", "item": {"slug": "negotiateprotocolversion-b", "name": "NegotiateProtocolVersion", "name_zh": "", "category": "\u540e\u7aef\u6d88\u606f", "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "aliases": ["NegotiateProtocolVersion", "Byte1('v')"], "content_hash": "ab526d6f689061baa13acb8bb176171e0cbacffca02b26ae998a4a8d1299abc9", "versions": {"10": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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#id-1.10.5.7.3", "label": "\u542f\u52a8"}], "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": "a5abfc50e46cffbeceda398dc5031deaed0fb2d16bbbae6e09b2a0c8d7401539", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "5b23abff14396603859b3c30d089a08672495dca9a61521fa00f183868a672d1", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "10", "text_hash": "a83a17e66fc7eef73e65368d9dd9a8f8edaa8c3dbb48652d9afe8cf9cc4a21be", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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": "a5abfc50e46cffbeceda398dc5031deaed0fb2d16bbbae6e09b2a0c8d7401539", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "5b23abff14396603859b3c30d089a08672495dca9a61521fa00f183868a672d1", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span></dt><dd><p>         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\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 NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><p>\n</p><div><dl><dt><span>        Byte1(&#39;v&#39;)</span></dt><dd><p>         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></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": "f6ee24a272d84b62785154b881ecd1b2ed11e0625f732121168f3533e42e3bea", "content_hash": "a83a17e66fc7eef73e65368d9dd9a8f8edaa8c3dbb48652d9afe8cf9cc4a21be", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/10/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/10/sections/0/title": "Framing and repetition", "/versions/10/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/10/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/10/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/10/tables/0/rows/4/c1": "String", "/versions/10/tables/0/rows/4/c2": "The option name.", "/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": "2768af840d83cbe8986eb9899b5b0b42a3dc87860d23737deb1c47da1f38b0c3", "canonical_center_text_hash": "a83a17e66fc7eef73e65368d9dd9a8f8edaa8c3dbb48652d9afe8cf9cc4a21be"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 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"\u9009\u9879\u540d\u79f0\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": "a5285618575dcbf94360ecf567b3870d5e1a643b59ca25a1fcc87bede91f8a7f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "aafffbd41f49136dbc9b41e1360b6b585a4355719f8ebffc89f9859fccce6dcb", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\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 NegotiateProtocolVersion (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;v&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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": "16f906acc5b7cef4dda95f4c76cd4f1fb54825a0f411c129298dd560b5fc5ec6", "content_hash": "60df2256579aadd1ae92a6c7c1a3f050011e949ec8d024de7d7bb4b38c9da74e", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": 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\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/11/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/datatype-json.html", "method": "same-major semantic node", "sha256": "e3239ad05fc4bad945529e631d9e5da84363b31e6e589461b97d69386cc43e7f", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[18]/pre[23]/em[4]/code[0]"]}, {"url": "/docs/11/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "9726c6197a98d51a4e85474eefe4eebef23c1e01c1accd23e4633aa0e78288ea", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/11/sections/0/title": "Framing and repetition", "/versions/11/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/11/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/11/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/11/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/11/tables/0/rows/4/c1": "String", "/versions/11/tables/0/rows/4/c2": "The option name.", "/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": "1696c9fb0a7287b9c236d17abf8fc11dc1620c7578401709b9aff0e4beefd8f7", "canonical_center_text_hash": "60df2256579aadd1ae92a6c7c1a3f050011e949ec8d024de7d7bb4b38c9da74e"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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;v&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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#id-1.10.5.7.3", "label": "\u542f\u52a8"}], "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": "a5285618575dcbf94360ecf567b3870d5e1a643b59ca25a1fcc87bede91f8a7f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "4ff03e0872af9d4353920ad40f4a643567511c759a0dc918133241220b80edab", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "12", "text_hash": "c38f19c093366d75cee8d6f54595c0c110f3ba840d0b97ad895e67b95e315068", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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": "a5285618575dcbf94360ecf567b3870d5e1a643b59ca25a1fcc87bede91f8a7f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "4ff03e0872af9d4353920ad40f4a643567511c759a0dc918133241220b80edab", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\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 NegotiateProtocolVersion (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;v&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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": "4ef4901d124af91f81f066af5ee08a8a193d59963c0795ef14a2bf2cc35a540b", "content_hash": "c38f19c093366d75cee8d6f54595c0c110f3ba840d0b97ad895e67b95e315068", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/12/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/12/sections/0/title": "Framing and repetition", "/versions/12/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/12/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/12/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/12/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/12/tables/0/rows/4/c1": "String", "/versions/12/tables/0/rows/4/c2": "The option name.", "/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": "cea8672baca974bd44cdd1c7635bc1b877e379d9ea7dc4fa5364e13e1bc2e333", "canonical_center_text_hash": "c38f19c093366d75cee8d6f54595c0c110f3ba840d0b97ad895e67b95e315068"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": 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</p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/12/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" 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"extraction": "exact-definition", "source_hash": "f528933d3d49a628dc271c84fe2e25f517ee866bbb01914a395c3d878a1873f3", "fragment_sha256": "a5285618575dcbf94360ecf567b3870d5e1a643b59ca25a1fcc87bede91f8a7f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "3cc354292c2dec8df94db3a5ebb5cc2420c4479db65b5faae048e4cd292a2b2f", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "13", "text_hash": "e2e5afeb0af46cb36d2da7b3bc8dd27d39ac83abd450ce5af08c545a47e6e34d", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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": "a5285618575dcbf94360ecf567b3870d5e1a643b59ca25a1fcc87bede91f8a7f", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "3cc354292c2dec8df94db3a5ebb5cc2420c4479db65b5faae048e4cd292a2b2f", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\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 NegotiateProtocolVersion (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;v&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002</p></dd><dt><span>Int32</span></dt><dd><p>\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002</p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a</p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </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": "92a3a7cfb3eaf1d4929949be1e599b2e88cddaef350a53897e4e19e3a5cd2394", "content_hash": "e2e5afeb0af46cb36d2da7b3bc8dd27d39ac83abd450ce5af08c545a47e6e34d", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/13/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/datatype-json.html", "method": "same-major semantic node", "sha256": "4f40d591dd48f8b5cb58a4f0af9b824d2b0b6dee2132a6a010128e4f9b64184b", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/13/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "90801323e211e99834ac2c19f534fccad08d74098fbce82899c1e1970d871906", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/13/sections/0/title": "Framing and repetition", "/versions/13/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/13/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/13/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/13/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/13/tables/0/rows/4/c1": "String", "/versions/13/tables/0/rows/4/c2": "The option name.", "/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": "ed6868ac92d7ec9cafb5a53c508ecf4724fe5f01089fb3312868c2617bb55ee3", "canonical_center_text_hash": "e2e5afeb0af46cb36d2da7b3bc8dd27d39ac83abd450ce5af08c545a47e6e34d"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "584822ef33d8616d786218a1aaf336deb3a9a50608a7f4f4635da29181707956", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\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 NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\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": "a03dd6d24006a7fd03a2bdcf54a415632d4a7680110e12e5b4a48a521a351685", "content_hash": "d06e6b76b6cbd25f320a73a5cce9dee5b6782ee3cdd38d7cdceb18d7adb97c58", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/14/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/datatype-json.html", "method": "same-major semantic node", "sha256": "6caaf22252a97833322c667923644122c2e880284c9f623b4ccbad4929b6ce66", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/14/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "a125a259c8ea8299be50b5d5d8241c513d8b38df4c6f16cf53b7949a63e2f8aa", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/p[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/14/sections/0/title": "Framing and repetition", "/versions/14/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/14/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/14/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/14/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/14/tables/0/rows/4/c1": "String", "/versions/14/tables/0/rows/4/c2": "The option name.", "/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": "6469f285b64784d28edf3e9caacc74d5adf200dd0d4a8fa5cdd06aaa7e24870c", "canonical_center_text_hash": "d06e6b76b6cbd25f320a73a5cce9dee5b6782ee3cdd38d7cdceb18d7adb97c58"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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#id-1.10.6.7.3", "label": "\u542f\u52a8"}], "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-NEGOTIATEPROTOCOLVERSION", "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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "c9ba1a943a3b9227eeba1571ce03e5aea30bb824a19e95fa44999089b49764e0", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "15", "text_hash": "852eb654f8f77c63cce95c089ea06ecec51afa4cabb689d82e8ee5ad1629768d", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "c9ba1a943a3b9227eeba1571ce03e5aea30bb824a19e95fa44999089b49764e0", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "15", "link_map": {"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "6c67e13359f87cef36c83729ffe3f987103c937bde44cd93b7a119c1fe5ef0b9", "content_hash": "852eb654f8f77c63cce95c089ea06ecec51afa4cabb689d82e8ee5ad1629768d", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/15/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/datatype-json.html", "method": "same-major semantic node", "sha256": "1de5ac3fcff666e4a6ac070ff5320df19ce2a518ff29c894afc9071d51b938ff", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/15/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "bbc89cd7e243ed7051f6e82b92f54fe8a97cbf4a673c2c4b39d9e8c8b7c422d3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[69]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/15/sections/0/title": "Framing and repetition", "/versions/15/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/15/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/15/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/15/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/15/tables/0/rows/4/c1": "String", "/versions/15/tables/0/rows/4/c2": "The option name.", "/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": "f752fa60eeb93c0f731edc0b5247a4bfc54d33ad19d5b045599913a0a9a23890", "canonical_center_text_hash": "852eb654f8f77c63cce95c089ea06ecec51afa4cabb689d82e8ee5ad1629768d"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": 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\u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "addc500a642f29429640c1924dcf8fb63f29e9dadec49b341fdf62261afa89f3", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "16", "text_hash": "8ca22cf5d744eaab5058188a49f0cb2ed643d43be7da8d4beb115b569a0ba0a8", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "eaaaf3c2aaa153a6c4e68bea55e4384820c7127cb6b2d5d40c073a6579b50a95", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "addc500a642f29429640c1924dcf8fb63f29e9dadec49b341fdf62261afa89f3", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "16", "link_map": {"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "d9257f7919d0c32cbdf61cbb4fc8c2591a7314523c0afcc690a78d4384ee34b9", "content_hash": "8ca22cf5d744eaab5058188a49f0cb2ed643d43be7da8d4beb115b569a0ba0a8", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", 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"description": ["Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/16/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/16/sections/0/title": "Framing and repetition", "/versions/16/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/16/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/16/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/16/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/16/tables/0/rows/4/c1": "String", "/versions/16/tables/0/rows/4/c2": "The option name.", "/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": "eb09591aaac94b1f4395d3f15fb11d9946e0719d562509ac1cbd721c0844cb03", "canonical_center_text_hash": "8ca22cf5d744eaab5058188a49f0cb2ed643d43be7da8d4beb115b569a0ba0a8"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span></dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span></dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span></dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "13448801b624a1e5413ab22933b1c59cd14edfcb3a53f014272d50033d367366", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "17", "text_hash": "03a2d6ed2f3942f0d3ff2fd1f90f5369a1661c11f1ee0e005eb5ae55ccca50cb", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "13448801b624a1e5413ab22933b1c59cd14edfcb3a53f014272d50033d367366", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "17", "link_map": {"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "937c53e40a003c1465d188e77bdf704b1f0fc461ee5e85b4be4980fb9fa67e2e", "content_hash": "03a2d6ed2f3942f0d3ff2fd1f90f5369a1661c11f1ee0e005eb5ae55ccca50cb", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/17/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/datatype-json.html", "method": "same-major semantic node", "sha256": "8d2627b39aa9ad8449221de824f0c89af32197e8db7972fbc03b43dfcd0e9a93", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/17/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "d6412ab936b8b40cbe8abcad969c38c282e7039b7b2c6805eb126a28008f973d", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/17/sections/0/title": "Framing and repetition", "/versions/17/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/17/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/17/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/17/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/17/tables/0/rows/4/c1": "String", "/versions/17/tables/0/rows/4/c2": "The option name.", "/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": "cce605ba14b2d6bcf4ff588740802edc40ef57230c391b05ea720e44511e1c74", "canonical_center_text_hash": "03a2d6ed2f3942f0d3ff2fd1f90f5369a1661c11f1ee0e005eb5ae55ccca50cb"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-START-UP", "label": "\u542f\u52a8"}], "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-NEGOTIATEPROTOCOLVERSION", "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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "96304b81de088e088f71f75955909fda44bcc38f36dfc2f6754de1312921db3e", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "18", "text_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "96304b81de088e088f71f75955909fda44bcc38f36dfc2f6754de1312921db3e", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "64c7eb0363a758eff3d5092ed1a08d1f42debae1ced14460c6177b00e103bf45", "content_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/datatype-json.html", "method": "same-major semantic node", "sha256": "b9e8f98a0b5f2a4ec7b5197d02ab40c0ac0635a678c32728aaadd43cb4cd3766", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/18/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/18/tables/0/rows/4/c1": "String", "/versions/18/tables/0/rows/4/c2": "The option name.", "/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": "7819a7dbe16a52fc8275cb44602ae28fe668ba5303b5618fa9021714677fe576", "canonical_center_text_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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 NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a 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"af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "19", "text_hash": "d54f1d296e345769021899fe4fe3c73fc298aa1ac4fb359601861822fd689b18", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "c7757832f98d9d448104b5321ace56ebfd57a45dc4795a1c5ab7985f6f61fb1c", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "90e13b58ccbdc37b72bbb9305cccf9716a40ecc3ad2c5ba786049dc9bcc2b07e", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "19", "link_map": {"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "cfc5ef26fa3a83b8817c827dd9ab4bf6ebafb5a97580a8c83969212680109f6a", "content_hash": "d54f1d296e345769021899fe4fe3c73fc298aa1ac4fb359601861822fd689b18", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": 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\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/19/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": 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Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/19/sections/0/title": "Framing and repetition", "/versions/19/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/19/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/19/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/19/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/19/tables/0/rows/4/c1": "String", "/versions/19/tables/0/rows/4/c2": "The option name.", "/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": "238b3dc9f93295aa3bad8a5942eb460de7172955ece81dec4f76a5fdacfe0cb6", "canonical_center_text_hash": "d54f1d296e345769021899fe4fe3c73fc298aa1ac4fb359601861822fd689b18"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 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"sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "d795821c637d7646b05ca32a4a278c267d58e44f3a50580fb38828154562eba6", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "20", "link_map": {"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "24d223ad87991ded0692429b148a86dcc8e44babab61a3701a6c4f302058a647", "content_hash": "d8ac480c6082d445734f8c9a1d0c06135f8b5ae663eec8b891fb6c908885aa19", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/devel/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/datatype-json.html", "method": "same-major semantic node", "sha256": "0bfc34c3ea3eb808f83865871c3fdad1265f64037c9a9aab3fecc96f1d1632d1", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/devel/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "cacb5413fe2995ee79c58230881c08df2077aa918b5f243895b62e065ee7448e", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/summary": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/category": "Backend messages", "/versions/20/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/20/sections/0/title": "Framing and repetition", "/versions/20/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/20/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/20/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/20/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/20/tables/0/rows/4/c1": "String", "/versions/20/tables/0/rows/4/c2": "The option name.", "/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": "6526529d5181af5f84fa825e36a726c913f6a6c591595bba0a84990c96520dd2", "canonical_center_text_hash": "d8ac480c6082d445734f8c9a1d0c06135f8b5ae663eec8b891fb6c908885aa19"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-START-UP", "label": "\u542f\u52a8"}], "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-NEGOTIATEPROTOCOLVERSION", "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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "96304b81de088e088f71f75955909fda44bcc38f36dfc2f6754de1312921db3e", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "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": "NegotiateProtocolVersion", "locale": "zh-Hans", "source": {"key": "negotiateprotocolversion-b", "locale": "zh-Hans", "version": "18", "text_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08", "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('v')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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-NEGOTIATEPROTOCOLVERSION", "anchor": "PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "4821dcd2d40a4110518fcba142346825be4594459116c491085d58da1b17fe1a", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "96304b81de088e088f71f75955909fda44bcc38f36dfc2f6754de1312921db3e", "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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (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('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span class=\"term\">Int32</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><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "64c7eb0363a758eff3d5092ed1a08d1f42debae1ced14460c6177b00e103bf45", "content_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "NegotiateProtocolVersion (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('v')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002"}, {"c0": "5", "c1": "\u5b57\u7b26\u4e32", "c2": "\u9009\u9879\u540d\u79f0\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('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/datatype-json.html", "method": "same-major semantic node", "sha256": "b9e8f98a0b5f2a4ec7b5197d02ab40c0ac0635a678c32728aaadd43cb4cd3766", "language": "zh", "matched_nodes": ["#DATATYPE-JSON/div[19]/pre[27]/em[4]/code[0]"]}, {"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[67]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "NegotiateProtocolVersion is a backend protocol message. Identifies the message as a protocol version negotiation message.", "/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": "Start-up", "/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": "Start-up", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a protocol version negotiation message.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "Newest minor protocol version supported by the server for the major protocol version requested by the client.", "/versions/18/tables/0/rows/3/c2": "Number of protocol options not recognized by the server.", "/versions/18/tables/0/rows/4/c1": "String", "/versions/18/tables/0/rows/4/c2": "The option name.", "/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": "7819a7dbe16a52fc8275cb44602ae28fe668ba5303b5618fa9021714677fe576", "canonical_center_text_hash": "4f9899899cac499b8dcb65d676c5c91b452e792d547d038fff274909275f6c08"}, "description_zh": "Byte1('v') \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int32 \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002 Int32 \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002 \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a String \u9009\u9879\u540d\u79f0\u3002", "comparison_data": {"fields": [{"format": "Byte1('v')", "description": "Identifies the message as a protocol version negotiation message."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int32", "description": "Newest minor protocol version supported by the server for the major protocol version requested by the client."}, {"format": "Int32", "description": "Number of protocol options not recognized by the server."}, {"format": "String", "description": "The option name."}], "direction": "B"}, "comparison_hash": "e1b8b535cfb24c3820d56a4669f869a4b863ed8bb22fa5147c2e8e69a7deb2ba", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;v&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\" 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 NegotiateProtocolVersion (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('v')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u534f\u8bae\u7248\u672c\u534f\u5546\u6d88\u606f\u3002\n        </p></dd><dt><span>Int32</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><dt><span>Int32</span> </dt><dd><p>\n         \u5bf9\u4e8e\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u534f\u8bae\u4e3b\u7248\u672c\uff0c\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u6700\u65b0\u534f\u8bae\u6b21\u7248\u672c\u3002\n        </p></dd><dt><span>Int32</span> </dt><dd><p>\n         \u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u9009\u9879\u6570\u91cf\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u5bf9\u4e8e\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u7684\u6bcf\u4e2a\u534f\u8bae\u9009\u9879\uff0c\u90fd\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a\n     </p><div><dl><dt><span>String</span> </dt><dd><p>\n         \u9009\u9879\u540d\u79f0\u3002\n        </p></dd></dl></div></dd><p><a href=\"/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-NEGOTIATEPROTOCOLVERSION\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}