{"kind": "protocol", "major": "18", "item": {"slug": "logical-stream-commit", "name": "Stream Commit (logical replication)", "name_zh": "", "category": "Logical replication formats", "summary": "Logical replication Stream Commit format. Identifies the message as a stream commit message.", "aliases": ["Stream Commit"], "content_hash": "bdd30b8c958fcdcadeea189889dd2c2518651d986814448136227bf9df9e1a27", "versions": {"14": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('c')"}], "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32", "description": "Xid of the transaction."}, {"format": "Int8", "description": "Flags; currently unused (must be 0)."}, {"format": "Int64", "description": "The LSN of the commit."}, {"format": "Int64", "description": "The end LSN of the transaction."}, {"format": "Int64", "description": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('c')", "c2": "Identifies the message as a stream commit message."}, {"c0": "2", "c1": "Int32", "c2": "Xid of the transaction."}, {"c0": "3", "c1": "Int8", "c2": "Flags; currently unused (must be 0)."}, {"c0": "4", "c1": "Int64", "c2": "The LSN of the commit."}, {"c0": "5", "c1": "Int64", "c2": "The end LSN of the transaction."}, {"c0": "6", "c1": "Int64", "c2": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/14/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=14", "label": "Logical Decoding Plugins"}], "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": "/docs/14/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 14 English manual", "sha256": "4d5309e6070938fb53a3380c66fb64152d7984a368c86536d69ecac5bdb42852"}], "sections": [{"title": "Protocol context", "paragraphs": ["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."]}], "signature": "Stream Commit", "description": ["Logical replication Stream Commit format. Identifies the message as a stream commit message."], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('c')</span></dt>\n<dd>\n<p>Identifies the message as a stream commit message.</p>\n</dd>\n<dt><span class=\"term\">Int32</span></dt>\n<dd>\n<p>Xid of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int8</span></dt>\n<dd>\n<p>Flags; currently unused (must be 0).</p>\n</dd>\n<dt><span class=\"term\">Int64</span></dt>\n<dd>\n<p>The LSN of the commit.</p>\n</dd>\n<dt><span class=\"term\">Int64</span></dt>\n<dd>\n<p>The end LSN of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int64</span></dt>\n<dd>\n<p>Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01).</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/14/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32", "description": "Xid of the transaction."}, {"format": "Int8", "description": "Flags; currently unused (must be 0)."}, {"format": "Int64", "description": "The LSN of the commit."}, {"format": "Int64", "description": "The end LSN of the transaction."}, {"format": "Int64", "description": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}]}, "comparison_hash": "66bd222320bcecd9e469f2df0cf9dbe00abcc98a5dbd62395869161ca54b79d0"}, "15": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('c')"}], "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction."}, {"format": "Int8(0)", "description": "Flags; currently unused."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit."}, {"format": "Int64 (XLogRecPtr)", "description": "The end LSN of the transaction."}, {"format": "Int64 (TimestampTz)", "description": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('c')", "c2": "Identifies the message as a stream commit message."}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "Xid of the transaction."}, {"c0": "3", "c1": "Int8(0)", "c2": "Flags; currently unused."}, {"c0": "4", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit."}, {"c0": "5", "c1": "Int64 (XLogRecPtr)", "c2": "The end LSN of the transaction."}, {"c0": "6", "c1": "Int64 (TimestampTz)", "c2": "Commit timestamp of the transaction. 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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."]}], "signature": "Stream Commit", "description": ["Logical replication Stream Commit format. Identifies the message as a stream commit message."], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('c')</span></dt>\n<dd>\n<p>Identifies the message as a stream commit message.</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p>Xid of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int8(0)</span></dt>\n<dd>\n<p>Flags; currently unused.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The LSN of the commit.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The end LSN of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int64 (TimestampTz)</span></dt>\n<dd>\n<p>Commit timestamp of the transaction. 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The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('c')", "c2": "Identifies the message as a stream commit message."}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "Xid of the transaction."}, {"c0": "3", "c1": "Int8(0)", "c2": "Flags; currently unused."}, {"c0": "4", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit."}, {"c0": "5", "c1": "Int64 (XLogRecPtr)", "c2": "The end LSN of the transaction."}, {"c0": "6", "c1": "Int64 (TimestampTz)", "c2": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/16/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=16", "label": "Logical Decoding Plugins"}], "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": "/docs/16/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-COMMIT", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 16 English manual", "sha256": "23e3687e7c97c6a17a24684c30716fb7beed99c85967e828f4ee378effb5b50e"}], "sections": [{"title": "Protocol context", "paragraphs": ["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."]}], "signature": "Stream Commit", "description": ["Logical replication Stream Commit format. Identifies the message as a stream commit message."], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('c')</span></dt>\n<dd>\n<p>Identifies the message as a stream commit message.</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p>Xid of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int8(0)</span></dt>\n<dd>\n<p>Flags; currently unused.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The LSN of the commit.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The end LSN of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int64 (TimestampTz)</span></dt>\n<dd>\n<p>Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01).</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/16/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction."}, {"format": "Int8(0)", "description": "Flags; currently unused."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit."}, {"format": "Int64 (XLogRecPtr)", "description": "The end LSN of the transaction."}, {"format": "Int64 (TimestampTz)", "description": "Commit timestamp of the transaction. 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The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('c')", "c2": "Identifies the message as a stream commit message."}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "Xid of the transaction."}, {"c0": "3", "c1": "Int8(0)", "c2": "Flags; currently unused."}, {"c0": "4", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit."}, {"c0": "5", "c1": "Int64 (XLogRecPtr)", "c2": "The end LSN of the transaction."}, {"c0": "6", "c1": "Int64 (TimestampTz)", "c2": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/17/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=17", "label": "Logical Decoding Plugins"}], "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": "/docs/17/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-COMMIT", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 17 English manual", "sha256": "438b6a09f48bd0e9d2424559a0ab950dce44a9ab6573d362362c1c8d0b375fe3"}], "sections": [{"title": "Protocol context", "paragraphs": ["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."]}], "signature": "Stream Commit", "description": ["Logical replication Stream Commit format. Identifies the message as a stream commit message."], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('c')</span></dt>\n<dd>\n<p>Identifies the message as a stream commit message.</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p>Xid of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int8(0)</span></dt>\n<dd>\n<p>Flags; currently unused.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The LSN of the commit.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The end LSN of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int64 (TimestampTz)</span></dt>\n<dd>\n<p>Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01).</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/17/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction."}, {"format": "Int8(0)", "description": "Flags; currently unused."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit."}, {"format": "Int64 (XLogRecPtr)", "description": "The end LSN of the transaction."}, {"format": "Int64 (TimestampTz)", "description": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}]}, "comparison_hash": "7da1f009dd6acb34a24525ff5c7805710fd6b31afaaf3b326a9a44ab9ffeb45e"}, "18": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('c')"}], "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction."}, {"format": "Int8(0)", "description": "Flags; currently unused."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit."}, {"format": "Int64 (XLogRecPtr)", "description": "The end LSN of the transaction."}, {"format": "Int64 (TimestampTz)", "description": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('c')", "c2": "Identifies the message as a stream commit message."}, {"c0": "2", "c1": "Int32 (TransactionId)", "c2": "Xid of the transaction."}, {"c0": "3", "c1": "Int8(0)", "c2": "Flags; currently unused."}, {"c0": "4", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit."}, {"c0": "5", "c1": "Int64 (XLogRecPtr)", "c2": "The end LSN of the transaction."}, {"c0": "6", "c1": "Int64 (TimestampTz)", "c2": "Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01)."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/18/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=18", "label": "Logical Decoding Plugins"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-COMMIT", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 18 English manual", "sha256": "e976b008206820fbeb1eba226e69bb7c00af157372c3545375d1b5053c76d0ad"}], "sections": [{"title": "Protocol context", "paragraphs": ["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."]}], "signature": "Stream Commit", "description": ["Logical replication Stream Commit format. Identifies the message as a stream commit message."], "manual_html": "<dl><dd>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\">Byte1('c')</span></dt>\n<dd>\n<p>Identifies the message as a stream commit message.</p>\n</dd>\n<dt><span class=\"term\">Int32 (TransactionId)</span></dt>\n<dd>\n<p>Xid of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int8(0)</span></dt>\n<dd>\n<p>Flags; currently unused.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The LSN of the commit.</p>\n</dd>\n<dt><span class=\"term\">Int64 (XLogRecPtr)</span></dt>\n<dd>\n<p>The end LSN of the transaction.</p>\n</dd>\n<dt><span class=\"term\">Int64 (TimestampTz)</span></dt>\n<dd>\n<p>Commit timestamp of the transaction. The value is in number of microseconds since PostgreSQL epoch (2000-01-01).</p>\n</dd>\n</dl>\n</div>\n</dd></dl>", "manual_path": "/docs/18/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('c')", "description": "Identifies the message as a stream commit message."}, {"format": "Int32 (TransactionId)", "description": "Xid of the transaction."}, {"format": "Int8(0)", "description": "Flags; currently unused."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit."}, {"format": "Int64 (XLogRecPtr)", "description": "The end LSN of the transaction."}, {"format": "Int64 (TimestampTz)", "description": "Commit timestamp of the transaction. 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