{"kind": "protocol", "major": "18", "item": {"slug": "datarow-b", "name": "DataRow", "name_zh": "", "category": "\u540e\u7aef\u6d88\u606f", "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "aliases": ["DataRow", "Byte1('D')"], "content_hash": "717b08da31b449dcefcc04094b98134e2ce706b14bb6c2240f9d89bfdacf1ef6", "versions": {"10": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-1.10.5.7.4", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "path": "protocol-message-formats.html", "label": "PostgreSQL 10 English manual", "sha256": "b730a205dfc348a67edbc1e9687f2c2df69005fe30c062ef76e37b474538e4f8"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS", "anchor": "PROTOCOL-MESSAGE-FORMATS", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8128c15b60fa3298facda053424e38e11bcd21152f2d35599f1f5894d9dd8db", "fragment_sha256": "ed2d53a7b91ac2dd25f78e59d968af0a60e52c3e4a3da47c681db939035e40c6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "5deffabeba94b892c4a3b8826089763053ef05d2f40a414d3ec3d60f2f978e34", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "10", "text_hash": "1d811daa14f5d408bcbb88e5b31e4162b74c949bcb0395fe384c4620e0cd2358", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "ed2d53a7b91ac2dd25f78e59d968af0a60e52c3e4a3da47c681db939035e40c6", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "5deffabeba94b892c4a3b8826089763053ef05d2f40a414d3ec3d60f2f978e34", "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('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span></dt><dd><p>         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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 DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>        Byte1(&#39;D&#39;)</span></dt><dd><p>         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div><dl><dt><span>Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "c1556dfeeb47bb993d2c2cf9a8c656b348add99fdb763765a328688741391045", "content_hash": "1d811daa14f5d408bcbb88e5b31e4162b74c949bcb0395fe384c4620e0cd2358", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/10/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/10/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "fb3f5382c61e7fcc0eaa29589ac1811e59b1cc7a8bd23c1ebe5fc8f17c9819b2", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/p[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/10/tables/0/title": "Wire fields in documented order", "/versions/10/related/0/label": "Protocol flow and exchange examples", "/versions/10/related/1/label": "Protocol overview", "/versions/10/related/2/label": "Simple Query", "/versions/10/sections/0/title": "Framing and repetition", "/versions/10/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/10/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/10/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/10/tables/0/rows/4/c1": "Byte n", "/versions/10/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "e299d9a797b6e8af039ef9acf9be1570d4d25975ee37065154e6e50ad4613f82", "canonical_center_text_hash": "1d811daa14f5d408bcbb88e5b31e4162b74c949bcb0395fe384c4620e0cd2358"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>        Byte1(&#39;D&#39;)</span></dt><dd><p>         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div><dl><dt><span>Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div><p>\n</p></dd><p><a href=\"/zh/docs/10/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "11": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": 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"eda7153ee9e9f15ace4c79b2a67d7eda644d4cb662533484a42b395ffb895f3a", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "11", "text_hash": "a80e8df512a9b728cbc4301b4a7ee331e80cbc0144eb46ab187cb89172512553", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "07098e693ab059600d83ff06385890fb449f3c15a441cf2197cb6a97a91951de", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "eda7153ee9e9f15ace4c79b2a67d7eda644d4cb662533484a42b395ffb895f3a", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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 DataRow (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;D&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div><dl><dt><span>Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "1df4508634c6498664ccd8a75d7c232c8e5acb777537e3909ead433cf2bd66e1", "content_hash": "a80e8df512a9b728cbc4301b4a7ee331e80cbc0144eb46ab187cb89172512553", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/11/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "9726c6197a98d51a4e85474eefe4eebef23c1e01c1accd23e4633aa0e78288ea", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/p[1]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/11/tables/0/title": "Wire fields in documented order", "/versions/11/related/0/label": "Protocol flow and exchange examples", "/versions/11/related/1/label": "Protocol overview", "/versions/11/related/2/label": "Simple Query", "/versions/11/sections/0/title": "Framing and repetition", "/versions/11/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/11/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/11/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/11/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/11/tables/0/rows/4/c1": "Byte n", "/versions/11/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "76dfc7cd86cf07886e64582cab5d503cdfb2712f21acc2859603cd6272f07d9d", "canonical_center_text_hash": "a80e8df512a9b728cbc4301b4a7ee331e80cbc0144eb46ab187cb89172512553"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte 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"snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "231c0b458f517727a34f97f2e7fbbca596f9e6bfa3ccc73d24f558b3645737f3", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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 DataRow (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;D&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div><dl><dt><span>Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "a2af4724435099bd8798c7cd3d01b1072c86a9cb957fcff4c5c79379be2106e8", "content_hash": "f511db26d1f504befa2e83ca8f33a3e185f808d47faf97bf79c31ac9f251543c", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002"}, {"c0": "2", "c1": "Int32", "c2": 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Identifies the message as a data row.", "/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": "Simple Query", "/versions/12/tables/0/title": "Wire fields in documented order", "/versions/12/related/0/label": "Protocol flow and exchange examples", "/versions/12/related/1/label": "Protocol overview", "/versions/12/related/2/label": "Simple Query", "/versions/12/sections/0/title": "Framing and repetition", "/versions/12/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/12/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/12/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/12/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). 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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": "53f6a5473e9f9296666402c3563322b17a6d31a9cb54b6fa419f8b7832b7829c", "canonical_center_text_hash": "f511db26d1f504befa2e83ca8f33a3e185f808d47faf97bf79c31ac9f251543c"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "07098e693ab059600d83ff06385890fb449f3c15a441cf2197cb6a97a91951de", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "9096c1df0e439553ee583b2716608114ae194051c250ade87f69dcbb5b790d17", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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 DataRow (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;D&#39;)\n</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a</p><div><dl><dt><span>Int32</span></dt><dd><p>\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002</p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "aa8e9f5d4c67cf1f6e45bf017bf937aec5287e3657280e15811628f96781c652", "content_hash": "0eb32aff657b67c85db3c8fb2b59ec51f4bd0cfb41b3fa497386bdbf8ff0dc19", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/p[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/13/tables/0/title": "Wire fields in documented order", "/versions/13/related/0/label": "Protocol flow and exchange examples", "/versions/13/related/1/label": "Protocol overview", "/versions/13/related/2/label": "Simple Query", "/versions/13/sections/0/title": "Framing and repetition", "/versions/13/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/13/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/13/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/13/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). 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\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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 DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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": "8148a2b275acf97700494b9904e40d74645f4db46a46809066d7176634a6c8ca", "content_hash": "c5a4e8c72ef04d8a43faed52c3bdc6a3cdb3f39c1d106c2b880f106071980c56", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002"}, {"c0": "2", "c1": "Int32", "c2": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/p[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/14/tables/0/title": "Wire fields in documented order", "/versions/14/related/0/label": "Protocol flow and exchange examples", "/versions/14/related/1/label": "Protocol overview", "/versions/14/related/2/label": "Simple Query", "/versions/14/sections/0/title": "Framing and repetition", "/versions/14/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/14/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/14/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/14/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/14/tables/0/rows/4/c1": "Byte n", "/versions/14/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "5c297f85e31e15d94130eff9965ad5b3c33bc63623be093fbc69c3789b2f3b01", "canonical_center_text_hash": "c5a4e8c72ef04d8a43faed52c3bdc6a3cdb3f39c1d106c2b880f106071980c56"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-1.10.6.7.4", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": 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null}, "body_sha256": "651a33beccd5aceccad71ba99d9173fdc42a2ac495b64250435f82195ebf7ce1", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "15", "text_hash": "e5ab2898c3fbd6b24e05b7248bf85072caf2a09bc2dfd2ae2e37bfef34843087", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "61228a8f3b29eea0148a7f9a8936a49ecbb8eafec865a1b7c96990b74b854a82", "fragment_sha256": "fac4f09e96cc8f7b25c12f9ceb15af58fb4ef462c00aa98871fc9f2fa0924c20", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "651a33beccd5aceccad71ba99d9173fdc42a2ac495b64250435f82195ebf7ce1", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "15", "link_map": {"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "f9e790dea2d894f9b20f1d7528d7674640d77275a280a2ac1c01dd25c5087702", "content_hash": "e5ab2898c3fbd6b24e05b7248bf85072caf2a09bc2dfd2ae2e37bfef34843087", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/15/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "bbc89cd7e243ed7051f6e82b92f54fe8a97cbf4a673c2c4b39d9e8c8b7c422d3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[49]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/15/tables/0/title": "Wire fields in documented order", "/versions/15/related/0/label": "Protocol flow and exchange examples", "/versions/15/related/1/label": "Protocol overview", "/versions/15/related/2/label": "Simple Query", "/versions/15/sections/0/title": "Framing and repetition", "/versions/15/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/15/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/15/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/15/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/15/tables/0/rows/4/c1": "Byte n", "/versions/15/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "b4e2beb3ee28c720a515a53d1ea4fafae6ce5a6e8a4f474995f0d8c9a9efc1ec", "canonical_center_text_hash": "e5ab2898c3fbd6b24e05b7248bf85072caf2a09bc2dfd2ae2e37bfef34843087"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/15/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/16/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/16/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-FLOW-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": 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null}, "body_sha256": "a53d00bb2dc5bc3a20efc044df550c79e098dda83bc1e7d79c726052eef4e52e", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "16", "text_hash": "5686dc1391908795f00fb04f2da98663e27b63d47f2a6537741a15b5254fb472", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "4839ba322435aae8b017cce12a6053ecf0cd532cf596b9d2eb86481c2ed7a3ab", "fragment_sha256": "b5c1574818eb2b98d479f1d87f15c276304a7ddd3bcad5b1a466872950c064f7", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "a53d00bb2dc5bc3a20efc044df550c79e098dda83bc1e7d79c726052eef4e52e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "16", "link_map": {"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "41ab928b38b28b7f4ed7b876536d2ab440e8f6993dbb9153cc8cf3b4534bb60e", "content_hash": "5686dc1391908795f00fb04f2da98663e27b63d47f2a6537741a15b5254fb472", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/16/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "638e90eeb4ff3d56cd0c9c95e1203af6bb87aa147ec72623c9dd5eb4b9605ec3", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/16/tables/0/title": "Wire fields in documented order", "/versions/16/related/0/label": "Protocol flow and exchange examples", "/versions/16/related/1/label": "Protocol overview", "/versions/16/related/2/label": "Simple Query", "/versions/16/sections/0/title": "Framing and repetition", "/versions/16/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/16/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/16/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/16/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/16/tables/0/rows/4/c1": "Byte n", "/versions/16/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "b17aa228b0235931260864b4cf3b4acc3c4f5d616d6c40039f247680b388d661", "canonical_center_text_hash": "5686dc1391908795f00fb04f2da98663e27b63d47f2a6537741a15b5254fb472"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span></dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span></dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span></dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span></dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/16/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/17/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/17/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/17/protocol-flow.html#PROTOCOL-FLOW-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": 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null}, "body_sha256": "17fa33ce75d16a54fa8dfb71943ee5584606eed317efb154be449a68ec522cdc", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "17", "text_hash": "262b2bb8fbc96ce4dd00227a86404951d70860afb0eb37352a29527600cc8c06", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "e8c9ba58e397deab7bd056f274a895a459624a355e846ab7cb026235b394e05e", "fragment_sha256": "fac4f09e96cc8f7b25c12f9ceb15af58fb4ef462c00aa98871fc9f2fa0924c20", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "17fa33ce75d16a54fa8dfb71943ee5584606eed317efb154be449a68ec522cdc", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "17", "link_map": {"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "7017db67220171ac30d0f56ce97bbfc07b0dbef9819dd5125e3511f7310982fe", "content_hash": "262b2bb8fbc96ce4dd00227a86404951d70860afb0eb37352a29527600cc8c06", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/17/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "d6412ab936b8b40cbe8abcad969c38c282e7039b7b2c6805eb126a28008f973d", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/17/tables/0/title": "Wire fields in documented order", "/versions/17/related/0/label": "Protocol flow and exchange examples", "/versions/17/related/1/label": "Protocol overview", "/versions/17/related/2/label": "Simple Query", "/versions/17/sections/0/title": "Framing and repetition", "/versions/17/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/17/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/17/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/17/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/17/tables/0/rows/4/c1": "Byte n", "/versions/17/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "d97ef1bf1947e4b010dd8dd4f3416fdcbcc7b392a59689fd1767712d2dd4b999", "canonical_center_text_hash": "262b2bb8fbc96ce4dd00227a86404951d70860afb0eb37352a29527600cc8c06"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/17/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": 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null}, "body_sha256": "59693880e0089d4cb479e6656446f183f357f72d6fd3a8262a0fc00657e2f1ab", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "18", "text_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "fac4f09e96cc8f7b25c12f9ceb15af58fb4ef462c00aa98871fc9f2fa0924c20", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "59693880e0089d4cb479e6656446f183f357f72d6fd3a8262a0fc00657e2f1ab", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "13fdfcdab278d4fe28f752bee655e8313873934df16a62eb1f34839d4e6c04c6", "content_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/18/tables/0/title": "Wire fields in documented order", "/versions/18/related/0/label": "Protocol flow and exchange examples", "/versions/18/related/1/label": "Protocol overview", "/versions/18/related/2/label": "Simple Query", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/18/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/18/tables/0/rows/4/c1": "Byte n", "/versions/18/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "efd6b86aa2c5216851e48494039920d88f383267e7c5bf68765788f6dd9e7c36", "canonical_center_text_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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 DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "19": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). 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["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "19", "link_map": {"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "14e3d090285b12ea6e76ec9b3d2f2ca43eb68fb914c9b420cf18f8cb711d34c7", "content_hash": "2cf06a52270302f411ba7002bc0e548b583901b2d07138116c97430509deebce", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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": 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"#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/19/tables/0/title": "Wire fields in documented order", "/versions/19/related/0/label": "Protocol flow and exchange examples", "/versions/19/related/1/label": "Protocol overview", "/versions/19/related/2/label": "Simple Query", "/versions/19/sections/0/title": "Framing and repetition", "/versions/19/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/19/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/19/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/19/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/19/tables/0/rows/4/c1": "Byte n", "/versions/19/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "44d0ccc619dc03ca79c3de0c66d293662b9383a668e8229b7f155598230e02c4", "canonical_center_text_hash": "2cf06a52270302f411ba7002bc0e548b583901b2d07138116c97430509deebce"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/devel/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/devel/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/devel/protocol-flow.html#PROTOCOL-FLOW-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sources": [{"url": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "0b2f9e2b8d789fc1045303e60ed6152d3449d644d7e7e140243085b947498e42", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "20", "text_hash": "5f1ffd71812fc623508445643c8dcb31cb1942eafa913fb79371a55d2912d7c2", "collection": "protocol", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "bbca20c3d3805e49be06abbe10fde73aa69797265af25fde9edd06acdcac49cd", "fragment_sha256": "fac4f09e96cc8f7b25c12f9ceb15af58fb4ef462c00aa98871fc9f2fa0924c20", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "0b2f9e2b8d789fc1045303e60ed6152d3449d644d7e7e140243085b947498e42", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "20", "link_map": {"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "353bde458a32d7513e72d7ee831ce01a7cc940aad081b3c009c3234b43da1876", "content_hash": "5f1ffd71812fc623508445643c8dcb31cb1942eafa913fb79371a55d2912d7c2", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/devel/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "cacb5413fe2995ee79c58230881c08df2077aa918b5f243895b62e065ee7448e", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/summary": "DataRow is a backend protocol message. Identifies the message as a data row.", "/category": "Backend messages", "/versions/20/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/20/tables/0/title": "Wire fields in documented order", "/versions/20/related/0/label": "Protocol flow and exchange examples", "/versions/20/related/1/label": "Protocol overview", "/versions/20/related/2/label": "Simple Query", "/versions/20/sections/0/title": "Framing and repetition", "/versions/20/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/20/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/20/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/20/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/20/tables/0/rows/4/c1": "Byte n", "/versions/20/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "0f5b3d6a54e5e8ab61632eaeb0da2c77e487ccf3a29b283805193f854eff658c", "canonical_center_text_hash": "5f1ffd71812fc623508445643c8dcb31cb1942eafa913fb79371a55d2912d7c2"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/devel/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. 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"5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": 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null}, "body_sha256": "59693880e0089d4cb479e6656446f183f357f72d6fd3a8262a0fc00657e2f1ab", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "center_zh": {"title": "DataRow", "locale": "zh-Hans", "source": {"key": "datarow-b", "locale": "zh-Hans", "version": "18", "text_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8", "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('D')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2"}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\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-DATAROW", "anchor": "PROTOCOL-MESSAGE-FORMATS-DATAROW", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "protocol-message-formats.html", "extraction": "exact-definition", "source_hash": "0be0a37b38d80c96c157ca9fcfe9222995654664aad8136f7ac2b1b552f6753a", "fragment_sha256": "fac4f09e96cc8f7b25c12f9ceb15af58fb4ef462c00aa98871fc9f2fa0924c20", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "59693880e0089d4cb479e6656446f183f357f72d6fd3a8262a0fc00657e2f1ab", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (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('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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\">Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\">Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span class=\"term\">Byte<em class=\"replaceable\"><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em class=\"replaceable\"><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "version": "18", "link_map": {"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW": "/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW"}, "body_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "13fdfcdab278d4fe28f752bee655e8313873934df16a62eb1f34839d4e6c04c6", "content_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "direction": "B", "signature": "DataRow (B)", "tables_zh": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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": "Int16", "c2": "\u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002"}, {"c0": "4", "c1": "Int32", "c2": "\u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002"}, {"c0": "5", "c1": "Byte n", "c2": "\u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "description": ["Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002"], "manual_html": "", "manual_path": "/docs/18/protocol-message-formats.html", "sections_zh": [{"title": "\u6d88\u606f\u8fb9\u754c\u4e0e\u91cd\u590d\u5b57\u6bb5", "paragraphs": ["\u4e0b\u65b9\u5b8c\u6574\u5b9a\u4e49\u4fdd\u7559\u91cd\u590d\u9879\u3001\u8ba1\u6570\u4e0e\u6761\u4ef6\u5b57\u6bb5\u3002\u8868\u683c\u884c\u53f7\u8868\u793a\u6587\u6863\u4e2d\u7684\u5b57\u6bb5\u5b9a\u4e49\uff0c\u5e76\u975e\u56fa\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u3002\u6574\u6570\u7f16\u7801\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u4ee5\u540c\u7248\u672c\u534f\u8bae\u7ae0\u8282\u4e3a\u51c6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "add610bc3053cbc2f8d57b8a89e7e9d17dca8906d66221e9268c1dd1b390d0b5", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[0]/dl[0]/dd[5]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/div[2]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[47]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "DataRow is a backend protocol message. Identifies the message as a data row.", "/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": "Simple Query", "/versions/18/tables/0/title": "Wire fields in documented order", "/versions/18/related/0/label": "Protocol flow and exchange examples", "/versions/18/related/1/label": "Protocol overview", "/versions/18/related/2/label": "Simple Query", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a data row.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "The number of column values that follow (possibly zero).", "/versions/18/tables/0/rows/3/c2": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case.", "/versions/18/tables/0/rows/4/c1": "Byte n", "/versions/18/tables/0/rows/4/c2": "The value of the column, in the format indicated by the associated format code. n is the above length.", "/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": "efd6b86aa2c5216851e48494039920d88f383267e7c5bf68765788f6dd9e7c36", "canonical_center_text_hash": "d45f0f6476b78395f713caa235491a5c585df1650dcfe4297728096ff463e2b8"}, "description_zh": "Byte1('D') \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\u3002 Int32 \u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002 Int16 \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002 \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a Int32 \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002 Byte n \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002 n \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002", "comparison_data": {"fields": [{"format": "Byte1('D')", "description": "Identifies the message as a data row."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int16", "description": "The number of column values that follow (possibly zero)."}, {"format": "Int32", "description": "The length of the column value, in bytes (this count does not include itself). Can be zero. As a special case, -1 indicates a NULL column value. No value bytes follow in the NULL case."}, {"format": "Byte n", "description": "The value of the column, in the format indicated by the associated format code. n is the above length."}], "direction": "B"}, "comparison_hash": "dfe4fa00a15e61a318e3dff4dd29a198645f078004cb5c5b7a0568a3ccad994c", "manual_language": "zh", "description_zh_html": "<p>\u534f\u8bae\u6d88\u606f DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1(&#39;D&#39;)</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/zh/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\" 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 DataRow (B)\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><dd><div><dl><dt><span>Byte1('D')</span> </dt><dd><p>\n         \u6807\u8bc6\u6d88\u606f\u4e3a\u6570\u636e\u884c\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>Int16</span> </dt><dd><p>\n         \u540e\u9762\u8ddf\u7740\u7684\u5217\u503c\u7684\u6570\u91cf\uff08\u53ef\u80fd\u4e3a\u96f6\uff09\u3002\n        </p></dd></dl></div><p>\n      \u63a5\u4e0b\u6765\uff0c\u6bcf\u5217\u90fd\u6709\u4ee5\u4e0b\u4e24\u4e2a\u5b57\u6bb5\uff1a\n     </p><div><dl><dt><span>Int32</span> </dt><dd><p>\n         \u5217\u503c\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff08\u4e0d\u5305\u62ec\u6b64\u957f\u5ea6\u5b57\u6bb5\u672c\u8eab\uff09\u3002\u53ef\u4ee5\u4e3a\u96f6\u3002\u7279\u6b8a\u503c -1 \u8868\u793a NULL \u5217\u503c\u3002\u4e3a NULL \u65f6\uff0c\u540e\u9762\u4e0d\u518d\u6709\u503c\u7684\u5b57\u8282\u3002\n        </p></dd><dt><span>Byte<em><code>n</code></em></span> </dt><dd><p>\n         \u5217\u7684\u503c\uff0c\u683c\u5f0f\u7531\u76f8\u5173\u7684\u683c\u5f0f\u4ee3\u7801\u6307\u793a\u3002<em><code>n</code></em> \u662f\u4e0a\u8ff0\u957f\u5ea6\u3002\n        </p></dd></dl></div></dd><p><a href=\"/docs/18/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-DATAROW\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}