{"kind": "protocol", "major": "18", "item": {"slug": "logical-origin", "name": "Origin (logical replication)", "name_zh": "", "category": "Logical replication formats", "summary": "Logical replication Origin format. Identifies the message as an origin message.", "aliases": ["Origin"], "content_hash": "cc17c94013d7062aa2692c8e9c4c7bde2f208458c5af4f1eb76cd1603d49863a", "versions": {"10": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/10/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=10", "label": "Logical Decoding Plugins"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 10 English manual", "sha256": "d59789e57fb3bfca55c805338f0883d2569b3a32490546294e2b60f3d8cd6d64"}], "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 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages."]}], "signature": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
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\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/11/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "26ce7b9256774a7c921d26540181d5edd4ab0e5a443b09801512e4e59cb5f6d5"}, "12": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/12/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=12", "label": "Logical Decoding Plugins"}], "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": "/docs/12/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 12 English manual", "sha256": "8c2e615799c7af869e31164cdf7d82d5ec7526abfe0ec84a35c4553bc8b2e9dc"}], "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 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages."]}], "signature": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/12/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "26ce7b9256774a7c921d26540181d5edd4ab0e5a443b09801512e4e59cb5f6d5"}, "13": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/13/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=13", "label": "Logical Decoding Plugins"}], "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": "/docs/13/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 13 English manual", "sha256": "c740d4c528ea137a87c0f9bf8ea8859fe6707c758374a12bc3c2390ac35427f1"}], "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 52.4 and generally obey same message flow as physical replication. The following message parts are shared by the above messages."]}], "signature": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/13/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "26ce7b9256774a7c921d26540181d5edd4ab0e5a443b09801512e4e59cb5f6d5"}, "14": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/14/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "26ce7b9256774a7c921d26540181d5edd4ab0e5a443b09801512e4e59cb5f6d5"}, "15": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/15/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=15", "label": "Logical Decoding Plugins"}], "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": "/docs/15/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-ORIGIN", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 15 English manual", "sha256": "dce726e09e3bfedfcea89e211772f1afb48a00fd03f33fb94ce66e6d6e2938f5"}], "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/15/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "16": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "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-ORIGIN", "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/16/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "17": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "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-ORIGIN", "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/17/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "18": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "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-ORIGIN", "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/18/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "19": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/19/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=19", "label": "Logical Decoding Plugins"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "/docs/19/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-ORIGIN", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 19 English manual", "sha256": "e09479de1e9cef5a4abc9703d423b68677f7f7e0e44c1098a2d37144980fd461"}], "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/19/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "20": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "title": "Fields in documented order", "columns": [{"key": "c0", "label": "Position"}, {"key": "c1", "label": "Format"}, {"key": "c2", "label": "Meaning"}]}], "related": [{"url": "/docs/devel/protocol-replication.html", "label": "Streaming replication protocol"}, {"url": "/wiki/decode/?v=20", "label": "Logical Decoding Plugins"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "/docs/devel/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-ORIGIN", "path": "protocol-logicalrep-message-formats.html", "label": "PostgreSQL 20 English manual", "sha256": "1c5d9d7ff344de5d066562bb12e9db460a51b7713932ca201856714fa9477238"}], "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/devel/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}}}, "snapshot": {"facts": [{"label": "Layer", "value": "Logical replication payload; distinct from the frontend/backend message envelope"}, {"label": "First field", "value": "Byte1('O')"}], "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}], "tables": [{"key": "fields", "rows": [{"c0": "1", "c1": "Byte1('O')", "c2": "Identifies the message as an origin message."}, {"c0": "2", "c1": "Int64 (XLogRecPtr)", "c2": "The LSN of the commit on the origin server."}, {"c0": "3", "c1": "String", "c2": "Name of the origin."}], "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-ORIGIN", "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": "Origin", "description": ["Logical replication Origin format. Identifies the message as an origin message."], "manual_html": "
\n
\n
\n
Byte1('O')
\n
\n

Identifies the message as an origin message.

\n
\n
Int64 (XLogRecPtr)
\n
\n

The LSN of the commit on the origin server.

\n
\n
String
\n
\n

Name of the origin.

\n
\n
\n
\n

Note that there can be multiple Origin messages inside a single transaction.

\n
", "manual_path": "/docs/18/protocol-logicalrep-message-formats.html", "comparison_data": {"layer": "logical replication", "fields": [{"format": "Byte1('O')", "description": "Identifies the message as an origin message."}, {"format": "Int64 (XLogRecPtr)", "description": "The LSN of the commit on the origin server."}, {"format": "String", "description": "Name of the origin."}]}, "comparison_hash": "ddcbe9c8651a9cb0854d1dd4c92d415a0387a10fa4419afec47d38f03c4cb569"}, "comparison": {"left": "14", "right": "15", "status": "changed", "diff": "--- PostgreSQL 14\n+++ PostgreSQL 15\n@@ -6,7 +6,7 @@\n },\n {\n \"description\": \"The LSN of the commit on the origin server.\",\n- \"format\": \"Int64\"\n+ \"format\": \"Int64 (XLogRecPtr)\"\n },\n {\n \"description\": \"Name of the origin.\","}}