{"kind": "protocol", "major": "18", "item": {"slug": "logical-delete", "name": "Delete (logical replication)", "name_zh": "", "category": "\u903b\u8f91\u590d\u5236\u683c\u5f0f", "summary": "\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002", "aliases": ["Delete"], "content_hash": "6627dc61f3fcfbf5bcd8668891dc1b135b1cbe3ad99cb5bbe440633bf050eb89", "versions": {"10": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "3", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "4", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/10/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=10", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/10/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 10 English manual", "sha256": "d59789e57fb3bfca55c805338f0883d2569b3a32490546294e2b60f3d8cd6d64", "language": "en", "original_url": "/docs/10/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 52.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/10/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/10/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "935ad77169f47737b807201c7527e55f8066ab19677f8a4fdf96dc9b1add9c54", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[11]/div[0]/dl[0]/dd[3]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/p[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/10/facts/0/label": "Layer", "/versions/10/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/10/facts/1/label": "First field", "/versions/10/tables/0/title": "Fields in documented order", "/versions/10/related/0/label": "Streaming replication protocol", "/versions/10/related/1/label": "Logical Decoding Plugins", "/versions/10/sections/0/title": "Protocol context", "/versions/10/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/10/tables/0/rows/1/c2": "ID of the relation corresponding to the ID in the relation message.", "/versions/10/tables/0/rows/2/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/10/tables/0/rows/3/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/10/tables/0/rows/4/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/10/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are returned either by the replication slot SQL interface or are sent by a walsender. In case of a walsender they are encapsulated inside the replication protocol WAL messages as described in Section 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages.", "/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": "1c277da20c11359591aedc6f48c803b9e2b1aaf78eea1514cc304bcf7ae04712"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "294ed2f438790d86f803d3b5d5ba485ae52bf8175041ddcf9b7d09f520803b6f", "manual_language": "zh"}, "11": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "3", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "4", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/11/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=11", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "stable", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "https://pg.center/docs/11/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 11 English manual", "sha256": "398afd7945b4d61facda275c78067baa3f49d65bfd2ca840fbe3074533403b62", "language": "en", "original_url": "/docs/11/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 53.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/11/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/11/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "1502e1ac89818f7f0ec32ee716932e8d38f364230bfa2343cc4d17bebd6b32d8", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[11]/div[0]/dl[0]/dd[3]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/p[1]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/11/facts/0/label": "Layer", "/versions/11/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/11/facts/1/label": "First field", "/versions/11/tables/0/title": "Fields in documented order", "/versions/11/related/0/label": "Streaming replication protocol", "/versions/11/related/1/label": "Logical Decoding Plugins", "/versions/11/sections/0/title": "Protocol context", "/versions/11/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/11/tables/0/rows/1/c2": "ID of the relation corresponding to the ID in the relation message.", "/versions/11/tables/0/rows/2/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/11/tables/0/rows/3/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/11/tables/0/rows/4/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/11/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are returned either by the replication slot SQL interface or are sent by a walsender. In case of a walsender they are encapsulated inside the replication protocol WAL messages as described in Section 53.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages.", "/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": "58b36b09d70b8f155332de1b95404f63e73da47e086e26b5b1b1e3908a2322e5"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "294ed2f438790d86f803d3b5d5ba485ae52bf8175041ddcf9b7d09f520803b6f", "manual_language": "zh"}, "12": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "3", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "4", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/12/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=12", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "https://pg.center/docs/12/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 12 English manual", "sha256": "8c2e615799c7af869e31164cdf7d82d5ec7526abfe0ec84a35c4553bc8b2e9dc", "language": "en", "original_url": "/docs/12/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 52.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/12/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/12/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "e0d2bb332fa91aefa7bb3dfe653f7cf69c01c6a2ebc5cd45c0901a6b82622aba", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[11]/div[0]/dl[0]/dd[3]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/p[1]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/12/facts/0/label": "Layer", "/versions/12/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/12/facts/1/label": "First field", "/versions/12/tables/0/title": "Fields in documented order", "/versions/12/related/0/label": "Streaming replication protocol", "/versions/12/related/1/label": "Logical Decoding Plugins", "/versions/12/sections/0/title": "Protocol context", "/versions/12/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/12/tables/0/rows/1/c2": "ID of the relation corresponding to the ID in the relation message.", "/versions/12/tables/0/rows/2/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/12/tables/0/rows/3/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/12/tables/0/rows/4/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/12/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are returned either by the replication slot SQL interface or are sent by a walsender. In case of a walsender they are encapsulated inside the replication protocol WAL messages as described in Section 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages.", "/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": "cb21626223a4c9673e957f9aa39ac3100e92dacdaefe0ec829982f397f5bb4f0"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "294ed2f438790d86f803d3b5d5ba485ae52bf8175041ddcf9b7d09f520803b6f", "manual_language": "zh"}, "13": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "3", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "4", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/13/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=13", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "https://pg.center/docs/13/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 13 English manual", "sha256": "c740d4c528ea137a87c0f9bf8ea8859fe6707c758374a12bc3c2390ac35427f1", "language": "en", "original_url": "/docs/13/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 52.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/13/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/13/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "d24df4d4474ee2ae7498b6d12e1470629913220c9a51ed88fd07720f5b6f3499", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[11]/div[0]/dl[0]/dd[3]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[15]/p[1]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/13/facts/0/label": "Layer", "/versions/13/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/13/facts/1/label": "First field", "/versions/13/tables/0/title": "Fields in documented order", "/versions/13/related/0/label": "Streaming replication protocol", "/versions/13/related/1/label": "Logical Decoding Plugins", "/versions/13/sections/0/title": "Protocol context", "/versions/13/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/13/tables/0/rows/1/c2": "ID of the relation corresponding to the ID in the relation message.", "/versions/13/tables/0/rows/2/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/13/tables/0/rows/3/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/13/tables/0/rows/4/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/13/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are returned either by the replication slot SQL interface or are sent by a walsender. In case of a walsender they are encapsulated inside the replication protocol WAL messages as described in Section 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages.", "/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": "3b5e37c3c8ec1a76893b4124e84839352aca2fd66654bbb6bac0d1a897df5bbe"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "294ed2f438790d86f803d3b5d5ba485ae52bf8175041ddcf9b7d09f520803b6f", "manual_language": "zh"}, "14": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32", "c2": "\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/14/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=14", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "https://pg.center/docs/14/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 14 English manual", "sha256": "4d5309e6070938fb53a3380c66fb64152d7984a368c86536d69ecac5bdb42852", "language": "en", "original_url": "/docs/14/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 53.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 ID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/14/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/14/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "974173f0c434aa608b0dfbb96fc5afa45dfb627cc50d3f630363d784f070e54d", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/14/facts/0/label": "Layer", "/versions/14/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/14/facts/1/label": "First field", "/versions/14/tables/0/title": "Fields in documented order", "/versions/14/related/0/label": "Streaming replication protocol", "/versions/14/related/1/label": "Logical Decoding Plugins", "/versions/14/sections/0/title": "Protocol context", "/versions/14/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/14/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/14/tables/0/rows/2/c2": "ID of the relation corresponding to the ID in the relation message.", "/versions/14/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/14/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/14/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/14/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are returned either by the replication slot SQL interface or are sent by a walsender. In case of a walsender they are encapsulated inside the replication protocol WAL messages as described in Section 53.4 and generally obey same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following message parts are shared by the above messages.", "/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": "bfce9d71f973f184de376628a40443e362f9cf2232d3a8f378880075f49a524a"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32", "description": "ID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "bdfca3de3b409272899cb3c78dbf973de86727a6fea300b87465560cdc0c52ba", "manual_language": "zh"}, "15": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/15/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=15", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/15/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 15 English manual", "sha256": "dce726e09e3bfedfcea89e211772f1afb48a00fd03f33fb94ce66e6d6e2938f5", "language": "en", "original_url": "/docs/15/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 55.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/15/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/15/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "55b157cac874170762ba43193ac136e49b632d59d2a691073af2f408a7e2b51c", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/15/facts/0/label": "Layer", "/versions/15/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/15/facts/1/label": "First field", "/versions/15/tables/0/title": "Fields in documented order", "/versions/15/related/0/label": "Streaming replication protocol", "/versions/15/related/1/label": "Logical Decoding Plugins", "/versions/15/sections/0/title": "Protocol context", "/versions/15/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/15/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/15/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/15/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/15/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/15/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/15/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 55.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "dcb39f5cddc7ed6fd403540c032b5c4ed096f4a06eac97c6c007588a46ee28c4"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "16": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/16/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=16", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/16/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 16 English manual", "sha256": "23e3687e7c97c6a17a24684c30716fb7beed99c85967e828f4ee378effb5b50e", "language": "en", "original_url": "/docs/16/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 55.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/16/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/16/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "b98a7e935cf62dc4309fd748c65eb9da8632c9f58181232a5a6b3a3c28a295ec", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/16/facts/0/label": "Layer", "/versions/16/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/16/facts/1/label": "First field", "/versions/16/tables/0/title": "Fields in documented order", "/versions/16/related/0/label": "Streaming replication protocol", "/versions/16/related/1/label": "Logical Decoding Plugins", "/versions/16/sections/0/title": "Protocol context", "/versions/16/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/16/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/16/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/16/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/16/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/16/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/16/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 55.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "3a16172b31eab2583c3a242b5324d736bfbe23df7523c9d2ea714c84722dac57"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "17": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/17/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=17", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/17/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 17 English manual", "sha256": "438b6a09f48bd0e9d2424559a0ab950dce44a9ab6573d362362c1c8d0b375fe3", "language": "en", "original_url": "/docs/17/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 53.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/17/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/17/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "79ce4e8bc85b402bb07edbfbe82b47cfd1d5e41a301bfbd1da8bac9c8526036c", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/17/facts/0/label": "Layer", "/versions/17/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/17/facts/1/label": "First field", "/versions/17/tables/0/title": "Fields in documented order", "/versions/17/related/0/label": "Streaming replication protocol", "/versions/17/related/1/label": "Logical Decoding Plugins", "/versions/17/sections/0/title": "Protocol context", "/versions/17/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/17/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/17/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/17/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/17/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/17/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/17/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 53.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "8b53f8115ce9696111b8ba344415e9c61d696602542a3695f350bd0d9e75fc85"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "18": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/18/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=18", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 18 English manual", "sha256": "e976b008206820fbeb1eba226e69bb7c00af157372c3545375d1b5053c76d0ad", "language": "en", "original_url": "/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 54.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/18/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "61e6f991cfe7587d83d1c5e849d29aaaa85476953480ace0ec4dd00cbb25556b", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/18/facts/0/label": "Layer", "/versions/18/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/18/facts/1/label": "First field", "/versions/18/tables/0/title": "Fields in documented order", "/versions/18/related/0/label": "Streaming replication protocol", "/versions/18/related/1/label": "Logical Decoding Plugins", "/versions/18/sections/0/title": "Protocol context", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/18/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/18/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/18/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/18/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/18/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/18/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 54.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "5bfe69428be8ddd5c16d23b00ee353edc86b224de51105a8a75bbb65edb177e7"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "19": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/19/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=19", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 19 English manual", "sha256": "e09479de1e9cef5a4abc9703d423b68677f7f7e0e44c1098a2d37144980fd461", "language": "en", "original_url": "/docs/19/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 54.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/19/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/19/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "c07f8475fc626b1d9e9141b2d19f52d957197eac703966f99dd4b4da2556ac35", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/19/facts/0/label": "Layer", "/versions/19/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/19/facts/1/label": "First field", "/versions/19/tables/0/title": "Fields in documented order", "/versions/19/related/0/label": "Streaming replication protocol", "/versions/19/related/1/label": "Logical Decoding Plugins", "/versions/19/sections/0/title": "Protocol context", "/versions/19/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/19/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/19/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/19/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/19/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/19/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/19/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 54.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "30df819facfaa2cfc581bac36bdefffbc54c89736e33a1fe3c79683eb497e2bb"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "20": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/devel/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=20", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "https://pg.center/docs/devel/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 20 English manual", "sha256": "1c5d9d7ff344de5d066562bb12e9db460a51b7713932ca201856714fa9477238", "language": "en", "original_url": "/docs/devel/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 54.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/devel/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/devel/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "0368c68a321a90f36ca5e51d25a0d378d562e7078aa5b6f40dbf868f40387542", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/summary": "Logical replication Delete format. Identifies the message as a delete message.", "/category": "Logical replication formats", "/versions/20/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/20/facts/0/label": "Layer", "/versions/20/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/20/facts/1/label": "First field", "/versions/20/tables/0/title": "Fields in documented order", "/versions/20/related/0/label": "Streaming replication protocol", "/versions/20/related/1/label": "Logical Decoding Plugins", "/versions/20/sections/0/title": "Protocol context", "/versions/20/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/20/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/20/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/20/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/20/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/20/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/20/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 54.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "68c02fe677f4c708897542b276ea6ae84b58670eb1b3b59574b1f778b09d84f4"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}}}, "snapshot": {"facts": [{"label": "\u5c42\u6b21", "value": "\u903b\u8f91\u590d\u5236\u8f7d\u8377\uff0c\u4e0e\u524d\u540e\u7aef\u6d88\u606f\u5c01\u88c5\u5206\u5f00\u3002"}, {"label": "\u9996\u4e2a\u5b57\u6bb5", "value": "Byte1('D')"}], "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('D')", "c2": "\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002"}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002"}, {"c0": "3", "c1": "Int32 (Oid)", "c2": "\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002"}, {"c0": "4", "c1": "Byte1('K')", "c2": "\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "5", "c1": "Byte1('O')", "c2": "\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002"}, {"c0": "6", "c1": "TupleData", "c2": "\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002"}], "title": "\u6309\u624b\u518c\u987a\u5e8f\u6392\u5217\u7684\u5b57\u6bb5", "columns": [{"key": "c0", "label": "\u4f4d\u7f6e"}, {"key": "c1", "label": "\u683c\u5f0f"}, {"key": "c2", "label": "\u542b\u4e49"}]}], "related": [{"url": "/docs/18/protocol-replication.html", "label": "\u6d41\u590d\u5236\u534f\u8bae"}, {"url": "/wiki/decode/?v=18", "label": "\u903b\u8f91\u89e3\u7801\u63d2\u4ef6"}], "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": "https://pg.center/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 18 English manual", "sha256": "e976b008206820fbeb1eba226e69bb7c00af157372c3545375d1b5053c76d0ad", "language": "en", "original_url": "/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-DELETE"}], "sections": [{"title": "\u534f\u8bae\u4e0a\u4e0b\u6587", "paragraphs": ["\u672c\u8282\u8bf4\u660e\u5404\u903b\u8f91\u590d\u5236\u6d88\u606f\u7684\u8be6\u7ec6\u683c\u5f0f\u3002\u8fd9\u4e9b\u6d88\u606f\u7531\u590d\u5236\u69fd SQL \u63a5\u53e3\u8fd4\u56de\uff0c\u6216\u7531 walsender \u53d1\u9001\u3002\u7531 walsender \u53d1\u9001\u65f6\uff0c\u5b83\u4eec\u88ab\u5c01\u88c5\u5728\u590d\u5236\u534f\u8bae\u7684 WAL \u6d88\u606f\u4e2d\uff08\u53c2\u89c1\u7b2c 54.4 \u8282\uff09\uff0c\u6d88\u606f\u6d41\u7a0b\u901a\u5e38\u4e0e\u7269\u7406\u590d\u5236\u76f8\u540c\u3002Stream Start\u3001Stream Stop\u3001Stream Commit \u548c Stream Abort \u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002Begin Prepare\u3001Prepare\u3001Commit Prepared\u3001Rollback Prepared \u548c Stream Prepare \u4ece\u534f\u8bae\u7248\u672c 3 \u8d77\u53ef\u7528\u3002\u4ee5\u4e0b\u6d88\u606f\u90e8\u5206\u4e3a\u4e0a\u8ff0\u6d88\u606f\u6240\u5171\u7528\u3002"]}], "signature": "Delete", "description": ["\u903b\u8f91\u590d\u5236 Delete \u683c\u5f0f\uff0c\u8868\u793a\u5220\u9664\u6d88\u606f\u3002"], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('D')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u8be5\u6d88\u606f\u6807\u8bc6\u4e3a Delete \u6d88\u606f\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p lang=\"zh\">\u4e8b\u52a1\u7684 XID\uff0c\u4ec5\u5728\u6d41\u5f0f\u4f20\u8f93\u4e8b\u52a1\u4e2d\u51fa\u73b0\u3002\u6b64\u5b57\u6bb5\u4ece\u534f\u8bae\u7248\u672c 2 \u8d77\u53ef\u7528\u3002</p>\n</dd>\n<dt><span class=\"term\">Int32 (Oid)</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5173\u7cfb\u7684 OID\uff0c\u4e0e Relation \u6d88\u606f\u4e2d\u7684 ID \u5bf9\u5e94\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('K')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u5b50\u6d88\u606f\u6807\u8bc6\u4e3a\u952e\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u4f7f\u7528\u7d22\u5f15\u4f5c\u4e3a REPLICA IDENTITY\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">Byte1('O')</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u5c06\u540e\u7eed TupleData \u6d88\u606f\u6807\u8bc6\u4e3a\u65e7\u5143\u7ec4\u3002\u5982\u679c\u53d1\u751f\u5220\u9664\u7684\u8868\u5c06 REPLICA IDENTITY \u8bbe\u4e3a FULL\uff0c\u5219\u51fa\u73b0\u6b64\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n<dt><span class=\"term\">TupleData</span></dt>\n<dd>\n<p lang=\"zh\">\n<p>\u8868\u793a\u65e7\u5143\u7ec4\u6216\u4e3b\u952e\u5185\u5bb9\u7684 TupleData \u6d88\u606f\u90e8\u5206\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u524d\u4e00\u4e2a\u5b57\u6bb5\u3002</p>\n</p>\n</dd>\n</dl>\n</div>\n<p lang=\"zh\">Delete \u6d88\u606f\u53ef\u4ee5\u5305\u542b 'K' \u6d88\u606f\u90e8\u5206\u6216 'O' \u6d88\u606f\u90e8\u5206\uff0c\u4f46\u7edd\u4e0d\u4f1a\u540c\u65f6\u5305\u542b\u4e24\u8005\u3002</p>\n</dd></dl>", "manual_path": "/docs/18/protocol-logicalrep-message-formats.html", "localization": {"status": "complete", "sources": [{"url": "/docs/18/protocol-logicalrep-message-formats.html", "method": "same-major semantic node", "sha256": "61e6f991cfe7587d83d1c5e849d29aaaa85476953480ace0ec4dd00cbb25556b", "language": "zh", "matched_nodes": ["#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[13]/div[0]/dl[0]/dd[5]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[11]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[1]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[7]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/div[0]/dl[0]/dd[9]", "#PROTOCOL-LOGICALREP-MESSAGE-FORMATS/div[2]/dl[0]/dd[17]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Logical replication Delete format. Identifies the message as a delete message.", "/versions/18/facts/0/label": "Layer", "/versions/18/facts/0/value": "Logical replication payload; distinct from the frontend/backend message envelope", "/versions/18/facts/1/label": "First field", "/versions/18/tables/0/title": "Fields in documented order", "/versions/18/related/0/label": "Streaming replication protocol", "/versions/18/related/1/label": "Logical Decoding Plugins", "/versions/18/sections/0/title": "Protocol context", "/versions/18/tables/0/rows/0/c2": "Identifies the message as a delete message.", "/versions/18/tables/0/rows/1/c2": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.", "/versions/18/tables/0/rows/2/c2": "OID of the relation corresponding to the ID in the relation message.", "/versions/18/tables/0/rows/3/c2": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.", "/versions/18/tables/0/rows/4/c2": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL.", "/versions/18/tables/0/rows/5/c2": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field.", "/versions/18/sections/0/paragraphs/0": "This section describes the detailed format of each logical replication message. These messages are either returned by the replication slot SQL interface or are sent by a walsender. In the case of a walsender, they are encapsulated inside replication protocol WAL messages as described in Section 54.4 , and generally obey the same message flow as physical replication. The following messages (Stream Start, Stream Stop, Stream Commit, and Stream Abort) are available since protocol version 2. The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare) are available since protocol version 3. The following message parts are shared by the above messages.", "/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": "5bfe69428be8ddd5c16d23b00ee353edc86b224de51105a8a75bbb65edb177e7"}, "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('D')", "description": "Identifies the message as a delete message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2."}, {"format": "Int32 (Oid)", "description": "OID of the relation corresponding to the ID in the relation message."}, {"format": "Byte1('K')", "description": "Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY."}, {"format": "Byte1('O')", "description": "Identifies the following TupleData message as an old tuple. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL."}, {"format": "TupleData", "description": "TupleData message part representing the contents of the old tuple or primary key, depending on the previous field."}]}, "comparison_hash": "9022c0a1dbfe8824c1c59e3f8148a057e31c9d3edb2919fc83764704f181462c", "manual_language": "zh"}, "comparison": {"left": "14", "right": "15", "status": "changed", "diff": "--- PostgreSQL 14\n+++ PostgreSQL 15\n@@ -6,11 +6,11 @@\n     },\n     {\n       \"description\": \"Xid of the transaction (only present for streamed transactions). This field is available since protocol version 2.\",\n-      \"format\": \"Int32\"\n+      \"format\": \"Int32 (TransactionId)\"\n     },\n     {\n-      \"description\": \"ID of the relation corresponding to the ID in the relation message.\",\n-      \"format\": \"Int32\"\n+      \"description\": \"OID of the relation corresponding to the ID in the relation message.\",\n+      \"format\": \"Int32 (Oid)\"\n     },\n     {\n       \"description\": \"Identifies the following TupleData submessage as a key. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY.\","}}