{"kind": "protocol", "major": "18", "item": {"slug": "readyforquery-b", "name": "ReadyForQuery", "name_zh": "", "category": "\u540e\u7aef\u6d88\u606f", "summary": "ReadyForQuery \u662f\u540e\u7aef\u534f\u8bae\u6d88\u606f\uff0c\u7528\u4e8e\u6807\u8bc6\u6b64\u6d88\u606f\u7c7b\u578b\u3002\u540e\u7aef\u6bcf\u6b21\u51c6\u5907\u597d\u5f00\u59cb\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u90fd\u4f1a\u53d1\u9001 ReadyForQuery\u3002", "aliases": ["ReadyForQuery", "Byte1('Z')"], "content_hash": "dac99a15d88006f36a22d99d0cd2b0534ea5b6d34bdbef08ae4d2e4bc9e59562", "versions": {"10": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('Z')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "3"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u542f\u52a8\uff1b\u7b80\u5355\u67e5\u8be2\uff1b\u6269\u5c55\u67e5\u8be2\uff1b\u6d41\u6c34\u7ebf\uff1b\u51fd\u6570\u8c03\u7528\uff1bCOPY \u64cd\u4f5c\uff1b\u5f02\u6b65\u64cd\u4f5c"}], "fields": [{"format": "Byte1('Z')", "description": "Identifies the message type. 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lang=\"zh\">\n<p>\u6807\u8bc6\u6d88\u606f\u7c7b\u578b\u3002ReadyForQuery\u5728\u540e\u7aef\u51c6\u5907\u597d\u8fdb\u884c\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u53d1\u9001\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32(5)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5f53\u524d\u540e\u7aef\u4e8b\u52a1\u72b6\u6001\u6307\u793a\u5668\u3002\u53ef\u80fd\u7684\u503c\u4e3a'<code class=\"literal\">I</code>'\uff0c\u5982\u679c\u7a7a\u95f2\uff08\u4e0d\u5728\u4e8b\u52a1\u5757\u4e2d\uff09\uff1b'<code class=\"literal\">T</code>'\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5757\u4e2d\uff1b\u6216'<code class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/10/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "ReadyForQuery is a backend protocol message. Identifies the message type. ReadyForQuery is sent whenever the backend is ready for a new query cycle.", "/versions/10/facts/0/label": "Direction", "/versions/10/facts/0/value": "Backend \u2192 frontend", "/versions/10/facts/1/label": "First wire field", "/versions/10/facts/2/label": "Field entries", "/versions/10/facts/3/label": "Documented flow contexts", "/versions/10/facts/3/value": "Start-up; Simple Query; Extended Query; Pipelining; Function Call; COPY Operations; Asynchronous Operations", "/versions/10/tables/0/title": "Wire fields in documented order", "/versions/10/related/0/label": "Protocol flow and exchange examples", "/versions/10/related/1/label": "Protocol overview", "/versions/10/related/2/label": "Start-up", "/versions/10/related/3/label": "Simple Query", "/versions/10/related/4/label": "Extended Query", "/versions/10/related/5/label": "Pipelining", "/versions/10/related/6/label": "Function Call", "/versions/10/related/7/label": "COPY Operations", "/versions/10/related/8/label": "Asynchronous Operations", "/versions/10/sections/0/title": "Framing and repetition", "/versions/10/tables/0/rows/0/c2": "Identifies the message type. ReadyForQuery is sent whenever the backend is ready for a new query cycle.", "/versions/10/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/10/tables/0/rows/2/c2": "Current backend transaction status indicator. Possible values are ' I ' if idle (not in a transaction block); ' T ' if in a transaction block; or ' E ' if in a failed transaction block (queries will be rejected until block is ended).", "/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. 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lang=\"zh\">\n<p>\u6807\u8bc6\u6d88\u606f\u7c7b\u578b\u3002ReadyForQuery\u5728\u540e\u7aef\u51c6\u5907\u597d\u8fdb\u884c\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u53d1\u9001\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32(5)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5f53\u524d\u540e\u7aef\u4e8b\u52a1\u72b6\u6001\u6307\u793a\u5668\u3002\u53ef\u80fd\u7684\u503c\u4e3a'<code class=\"literal\">I</code>'\uff0c\u5982\u679c\u7a7a\u95f2\uff08\u4e0d\u5728\u4e8b\u52a1\u5757\u4e2d\uff09\uff1b'<code class=\"literal\">T</code>'\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5757\u4e2d\uff1b\u6216'<code class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/11/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "ReadyForQuery is a backend protocol message. 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lang=\"zh\">\n<p>\u6807\u8bc6\u6d88\u606f\u7c7b\u578b\u3002ReadyForQuery\u5728\u540e\u7aef\u51c6\u5907\u597d\u8fdb\u884c\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u53d1\u9001\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32(5)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5f53\u524d\u540e\u7aef\u4e8b\u52a1\u72b6\u6001\u6307\u793a\u5668\u3002\u53ef\u80fd\u7684\u503c\u4e3a'<code class=\"literal\">I</code>'\uff0c\u5982\u679c\u7a7a\u95f2\uff08\u4e0d\u5728\u4e8b\u52a1\u5757\u4e2d\uff09\uff1b'<code class=\"literal\">T</code>'\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5757\u4e2d\uff1b\u6216'<code class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/12/protocol-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/12/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "1d8b90803d96546f1f4c7412e486a669852503476ec078069948005061c1122c", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "ReadyForQuery is a backend protocol message. 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lang=\"zh\">\n<p>\u6807\u8bc6\u6d88\u606f\u7c7b\u578b\u3002ReadyForQuery\u5728\u540e\u7aef\u51c6\u5907\u597d\u8fdb\u884c\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u53d1\u9001\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32(5)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5f53\u524d\u540e\u7aef\u4e8b\u52a1\u72b6\u6001\u6307\u793a\u5668\u3002\u53ef\u80fd\u7684\u503c\u4e3a'<code class=\"literal\">I</code>'\uff0c\u5982\u679c\u7a7a\u95f2\uff08\u4e0d\u5728\u4e8b\u52a1\u5757\u4e2d\uff09\uff1b'<code class=\"literal\">T</code>'\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5757\u4e2d\uff1b\u6216'<code class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/15/protocol-message-formats.html", "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[91]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[91]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "ReadyForQuery is a backend protocol message. 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'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/16/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/16/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-FLOW-START-UP", "label": "\u542f\u52a8"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-FLOW-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-FLOW-EXT-QUERY", "label": "\u6269\u5c55\u67e5\u8be2"}, {"url": "/docs/16/protocol-flow.html#PROTOCOL-FLOW-PIPELINING", "label": "\u6d41\u6c34\u7ebf"}, {"url": 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lang=\"zh\">\n<p>\u6807\u8bc6\u6d88\u606f\u7c7b\u578b\u3002ReadyForQuery\u5728\u540e\u7aef\u51c6\u5907\u597d\u8fdb\u884c\u65b0\u7684\u67e5\u8be2\u5468\u671f\u65f6\u53d1\u9001\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32(5)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5f53\u524d\u540e\u7aef\u4e8b\u52a1\u72b6\u6001\u6307\u793a\u5668\u3002\u53ef\u80fd\u7684\u503c\u4e3a'<code class=\"literal\">I</code>'\uff0c\u5982\u679c\u7a7a\u95f2\uff08\u4e0d\u5728\u4e8b\u52a1\u5757\u4e2d\uff09\uff1b'<code class=\"literal\">T</code>'\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5757\u4e2d\uff1b\u6216'<code class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/16/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "ReadyForQuery is a backend protocol message. 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class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/17/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "ReadyForQuery is a backend protocol message. 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class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/18/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "ReadyForQuery is a backend protocol message. 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class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/19/protocol-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/19/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "c1bf02758e5b347662df055d3c8807b753fab16fc7238ed640efe95863588bff", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "ReadyForQuery is a backend protocol message. 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class=\"literal\">E</code>'\uff0c\u5982\u679c\u5728\u5931\u8d25\u7684\u4e8b\u52a1\u5757\u4e2d\uff08\u67e5\u8be2\u5c06\u88ab\u62d2\u7edd\uff0c\u76f4\u5230\u5757\u7ed3\u675f\uff09\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/devel/protocol-message-formats.html", "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[89]/div[0]/dl[0]/dd[1]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[89]/div[0]/dl[0]/dd[5]"]}], "language": "zh", "original_text": {"/summary": "ReadyForQuery is a backend protocol message. 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