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Byte1('H')
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Int32
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\n
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Int8
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Int16
\n
\n

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Int16[N]
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Byte1('H')
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Int32
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\n
Int8
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\n
Int16
\n
\n

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Int16[N]
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\n

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\n
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\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u6b64\u6d88\u606f\u4e4b\u540e\u4f1a\u53d1\u9001 COPY \u8f93\u51fa\u6570\u636e\u3002

\n

\n
\n
Int32
\n
\n

\n

\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002

\n

\n
\n
Int8
\n
\n

0 \u8868\u793a COPY \u7684\u6574\u4f53\u683c\u5f0f\u4e3a\u6587\u672c\uff08\u7528\u6362\u884c\u7b26\u5206\u9694\u884c\u3001\u7528\u5206\u9694\u5b57\u7b26\u5206\u9694\u5217\u7b49\uff09\uff1b1 \u8868\u793a\u6574\u4f53\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff08\u7c7b\u4f3c DataRow \u683c\u5f0f\uff09\u3002\u8be6\u60c5\u53c2\u89c1 COPY\u3002

\n
\n
Int16
\n
\n

\n

\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528N\u8868\u793a\uff09\u3002

\n

\n
\n
Int16[N]
\n
\n

\n

\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002

\n

\n
\n
\n
\n
", "manual_path": "/docs/13/protocol-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/13/protocol-message-formats.html", "method": "same-major semantic node", "sha256": "90801323e211e99834ac2c19f534fccad08d74098fbce82899c1e1970d871906", "language": "zh", "matched_nodes": ["#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[1]/div[0]/dl[0]/dd[3]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[43]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[43]/div[0]/dl[0]/dd[9]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[45]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "CopyOutResponse is a backend protocol message. Identifies the message as a Start Copy Out response. 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Integer encodings and flow rules follow the same-version protocol chapter.", "/versions/13/tables/0/columns/0/label": "Position", "/versions/13/tables/0/columns/1/label": "Format", "/versions/13/tables/0/columns/2/label": "Meaning"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "29623a5734ae3666c04533a43f895f96e7d86361aa85015c7235ad7b41c75e1e"}, "comparison_data": {"fields": [{"format": "Byte1('H')", "description": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int8", "description": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information."}, {"format": "Int16", "description": "The number of columns in the data to be copied (denoted N below)."}, {"format": "Int16[ N ]", "description": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual."}], "direction": "B"}, "comparison_hash": "a426987a08a1c94161c7ebaf2f2fb7ae566acbc028f9802a8bc2597de341e57f", "manual_language": "zh"}, "14": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('H')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2\uff1bCOPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('H')", "description": "Identifies the message as a Start Copy Out response. 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\n
\n
\n
Byte1('H')
\n
\n

\n

\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u6b64\u6d88\u606f\u4e4b\u540e\u4f1a\u53d1\u9001 COPY \u8f93\u51fa\u6570\u636e\u3002

\n

\n
\n
Int32
\n
\n

\n

\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002

\n

\n
\n
Int8
\n
\n

0 \u8868\u793a COPY \u7684\u6574\u4f53\u683c\u5f0f\u4e3a\u6587\u672c\uff08\u7528\u6362\u884c\u7b26\u5206\u9694\u884c\u3001\u7528\u5206\u9694\u5b57\u7b26\u5206\u9694\u5217\u7b49\uff09\uff1b1 \u8868\u793a\u6574\u4f53\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff08\u7c7b\u4f3c DataRow \u683c\u5f0f\uff09\u3002\u8be6\u60c5\u53c2\u89c1 COPY\u3002

\n
\n
Int16
\n
\n

\n

\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528N\u8868\u793a\uff09\u3002

\n

\n
\n
Int16[N]
\n
\n

\n

\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002

\n

\n
\n
\n
\n
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Byte1('H')
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Int32
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\n

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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

\n

\n
\n
Int8
\n
\n

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\n
\n
Int16
\n
\n

\n

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\n
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Int16[N]
\n
\n

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Byte1('H')
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\n
Int32
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\n

\n

\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002

\n

\n
\n
Int8
\n
\n

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\n
\n
Int16
\n
\n

\n

\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528N\u8868\u793a\uff09\u3002

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Int16[N]
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\n

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\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002

\n

\n
\n
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\n
\n

\n

\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u6b64\u6d88\u606f\u4e4b\u540e\u4f1a\u53d1\u9001 COPY \u8f93\u51fa\u6570\u636e\u3002

\n

\n
\n
Int32
\n
\n

\n

\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002

\n

\n
\n
Int8
\n
\n

0 \u8868\u793a COPY \u7684\u6574\u4f53\u683c\u5f0f\u4e3a\u6587\u672c\uff08\u7528\u6362\u884c\u7b26\u5206\u9694\u884c\u3001\u7528\u5206\u9694\u5b57\u7b26\u5206\u9694\u5217\u7b49\uff09\uff1b1 \u8868\u793a\u6574\u4f53\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff08\u7c7b\u4f3c DataRow \u683c\u5f0f\uff09\u3002\u8be6\u60c5\u53c2\u89c1 COPY\u3002

\n
\n
Int16
\n
\n

\n

\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528N\u8868\u793a\uff09\u3002

\n

\n
\n
Int16[N]
\n
\n

\n

\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002

\n

\n
\n
\n
\n
", "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[41]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[41]/div[0]/dl[0]/dd[9]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[43]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "CopyOutResponse is a backend protocol message. Identifies the message as a Start Copy Out response. This message will be followed by copy-out data.", "/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; COPY Operations", "/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/related/3/label": "COPY Operations", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information.", "/versions/18/tables/0/rows/3/c2": "The number of columns in the data to be copied (denoted N below).", "/versions/18/tables/0/rows/4/c2": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual.", "/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": "8f591b746d63b95f911d5ff72b3973767d1d27d846b572bce12a4fa413ef1a00"}, "comparison_data": {"fields": [{"format": "Byte1('H')", "description": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int8", "description": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information."}, {"format": "Int16", "description": "The number of columns in the data to be copied (denoted N below)."}, {"format": "Int16[ N ]", "description": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual."}], "direction": "B"}, "comparison_hash": "8a98bab23003cb384fd2a3a1a3a5d7967f44d5dffaedd7033d60bd8d6d5b0395", "manual_language": "zh"}, "19": {"facts": [{"label": "\u65b9\u5411", "value": "\u540e\u7aef \u2192 \u524d\u7aef"}, {"label": "\u9996\u4e2a\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "value": "Byte1('H')"}, {"label": "\u5b57\u6bb5\u6761\u76ee", "value": "5"}, {"label": "\u624b\u518c\u4e2d\u7684\u4ea4\u4e92\u9636\u6bb5", "value": "\u7b80\u5355\u67e5\u8be2\uff1bCOPY \u64cd\u4f5c"}], "fields": [{"format": "Byte1('H')", "description": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int8", "description": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information."}, {"format": "Int16", "description": "The number of columns in the data to be copied (denoted N below)."}, {"format": "Int16[ N ]", "description": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('H')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u6b64\u6d88\u606f\u4e4b\u540e\u4f1a\u53d1\u9001 COPY \u8f93\u51fa\u6570\u636e\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": "Int8", "c2": "0 \u8868\u793a COPY \u7684\u6574\u4f53\u683c\u5f0f\u4e3a\u6587\u672c\uff08\u7528\u6362\u884c\u7b26\u5206\u9694\u884c\u3001\u7528\u5206\u9694\u5b57\u7b26\u5206\u9694\u5217\u7b49\uff09\uff1b1 \u8868\u793a\u6574\u4f53\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff08\u7c7b\u4f3c DataRow \u683c\u5f0f\uff09\u3002\u8be6\u60c5\u53c2\u89c1 COPY\u3002"}, {"c0": "4", "c1": "Int16", "c2": "\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528 N \u8868\u793a\uff09\u3002"}, {"c0": "5", "c1": "Int16[ N ]", "c2": "\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u7ebf\u4e0a\u534f\u8bae\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/19/protocol-flow.html", "label": "\u534f\u8bae\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u793a\u4f8b"}, {"url": "/docs/19/protocol-overview.html", "label": "\u534f\u8bae\u6982\u8ff0"}, {"url": "/docs/19/protocol-flow.html#PROTOCOL-FLOW-SIMPLE-QUERY", "label": "\u7b80\u5355\u67e5\u8be2"}, {"url": "/docs/19/protocol-flow.html#PROTOCOL-COPY", "label": "COPY \u64cd\u4f5c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "https://pg.center/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYOUTRESPONSE", "path": "protocol-message-formats.html", "label": "PostgreSQL 19 English manual", "sha256": "90ffd4417d4975d088424b23a513f1d79ac914225ad7e239a12f44d0dd2248e4", "language": "en", "original_url": "/docs/19/protocol-message-formats.html#PROTOCOL-MESSAGE-FORMATS-COPYOUTRESPONSE"}], "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"]}], "direction": "B", "signature": "CopyOutResponse (B)", "description": ["CopyOutResponse \u662f\u540e\u7aef\u534f\u8bae\u6d88\u606f\uff0c\u8868\u793a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u4e4b\u540e\u4f1a\u53d1\u9001\u8f93\u51fa\u6570\u636e\u3002"], "manual_html": "
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\n
\n
Byte1('H')
\n
\n

\n

\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a\u5f00\u59cb COPY \u8f93\u51fa\u7684\u54cd\u5e94\u3002\u6b64\u6d88\u606f\u4e4b\u540e\u4f1a\u53d1\u9001 COPY \u8f93\u51fa\u6570\u636e\u3002

\n

\n
\n
Int32
\n
\n

\n

\u6d88\u606f\u5185\u5bb9\u7684\u957f\u5ea6\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u3002

\n

\n
\n
Int8
\n
\n

0 \u8868\u793a COPY \u7684\u6574\u4f53\u683c\u5f0f\u4e3a\u6587\u672c\uff08\u7528\u6362\u884c\u7b26\u5206\u9694\u884c\u3001\u7528\u5206\u9694\u5b57\u7b26\u5206\u9694\u5217\u7b49\uff09\uff1b1 \u8868\u793a\u6574\u4f53\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff08\u7c7b\u4f3c DataRow \u683c\u5f0f\uff09\u3002\u8be6\u60c5\u53c2\u89c1 COPY\u3002

\n
\n
Int16
\n
\n

\n

\u8981\u590d\u5236\u7684\u6570\u636e\u4e2d\u7684\u5217\u6570\uff08\u4ee5\u4e0b\u7528N\u8868\u793a\uff09\u3002

\n

\n
\n
Int16[N]
\n
\n

\n

\u5404\u5217\u4f7f\u7528\u7684\u683c\u5f0f\u4ee3\u7801\u3002\u76ee\u524d\u6bcf\u4e2a\u4ee3\u7801\u5fc5\u987b\u4e3a\u96f6\uff08\u6587\u672c\uff09\u6216\u4e00\uff08\u4e8c\u8fdb\u5236\uff09\u3002\u5982\u679c\u6574\u4f53\u590d\u5236\u683c\u5f0f\u4e3a\u6587\u672c\uff0c\u5219\u6240\u6709\u4ee3\u7801\u90fd\u5fc5\u987b\u4e3a\u96f6\u3002

\n

\n
\n
\n
\n
", "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[41]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[41]/div[0]/dl[0]/dd[9]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[43]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "CopyOutResponse is a backend protocol message. Identifies the message as a Start Copy Out response. 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Byte1('H')
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Int32
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Int8
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Int16
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Int16[N]
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Byte1('H')
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Int32
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\n
Int8
\n
\n

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Int16
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Int16[N]
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\n

\n
\n
\n
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", "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[41]/div[0]/dl[0]/dd[7]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[41]/div[0]/dl[0]/dd[9]", "#PROTOCOL-MESSAGE-FORMATS/div[2]/dl[0]/dd[43]/div[0]/dl[0]/dd[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "CopyOutResponse is a backend protocol message. Identifies the message as a Start Copy Out response. This message will be followed by copy-out data.", "/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; COPY Operations", "/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/related/3/label": "COPY Operations", "/versions/18/sections/0/title": "Framing and repetition", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data.", "/versions/18/tables/0/rows/1/c2": "Length of message contents in bytes, including self.", "/versions/18/tables/0/rows/2/c2": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information.", "/versions/18/tables/0/rows/3/c2": "The number of columns in the data to be copied (denoted N below).", "/versions/18/tables/0/rows/4/c2": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual.", "/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": "8f591b746d63b95f911d5ff72b3973767d1d27d846b572bce12a4fa413ef1a00"}, "comparison_data": {"fields": [{"format": "Byte1('H')", "description": "Identifies the message as a Start Copy Out response. This message will be followed by copy-out data."}, {"format": "Int32", "description": "Length of message contents in bytes, including self."}, {"format": "Int8", "description": "0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information."}, {"format": "Int16", "description": "The number of columns in the data to be copied (denoted N below)."}, {"format": "Int16[ N ]", "description": "The format codes to be used for each column. Each must presently be zero (text) or one (binary). All must be zero if the overall copy format is textual."}], "direction": "B"}, "comparison_hash": "8a98bab23003cb384fd2a3a1a3a5d7967f44d5dffaedd7033d60bd8d6d5b0395", "manual_language": "zh"}, "comparison": {"left": "14", "right": "15", "status": "changed", "diff": "--- PostgreSQL 14\n+++ PostgreSQL 15\n@@ -10,7 +10,7 @@\n \"format\": \"Int32\"\n },\n {\n- \"description\": \"0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information.\",\n+ \"description\": \"0 indicates the overall COPY format is textual (rows separated by newlines, columns separated by separator characters, etc.). 1 indicates the overall copy format is binary (similar to DataRow format). See COPY for more information.\",\n \"format\": \"Int8\"\n },\n {"}}