{"Entry":{"collection":"protocol","key":"logical-stream-abort","name":"Stream Abort (logical replication)","aliases":["Stream Abort"],"metadata":{"aliases":["Stream Abort"],"category":"Logical replication formats","content_hash":"260d2bf362556e4c1fc9be9aa9f24645a95a41e2d6d8562c804a39f9b6d8cdf2","derived_content_hash":"ebd77f662a74163f67a0dab3c349bcd1250c0ee1b82ea67abf78939431aa77bf","imported_at":"2026-09-30T00:40:44.646464+08:00","name":"Stream Abort (logical replication)","name_zh":"","slug":"logical-stream-abort","summary":"Logical replication Stream Abort format. Identifies the message as a stream abort message."}},"Definition":{"Collection":"protocol","Key":"logical-stream-abort","SourceDatabase":"center","Version":"18","SourceTable":"protocol_message","SourceKey":"logical-stream-abort","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"fields":[{"description":"Identifies the message as a stream abort message.","format":"Byte1('A')"},{"description":"Xid of the transaction.","format":"Int32 (TransactionId)"},{"description":"Xid of the subtransaction (will be same as xid of the transaction for top-level transactions).","format":"Int32 (TransactionId)"},{"description":"The LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4.","format":"Int64 (XLogRecPtr)"},{"description":"Abort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4.","format":"Int64 (TimestampTz)"}],"layer":"logical replication"},"comparison_hash":"ba66d8ba096cf90d5ed7f7adfa2c1fde83adc546efc9f1f5c46c6b0f69cb508b","description":["Logical replication Stream Abort format. Identifies the message as a stream abort message."],"description_zh":"Byte1('A') 将该消息标识为 Stream Abort 消息。 Int32 (TransactionId) 事务的 Xid。 Int32 (TransactionId) 子事务的 Xid（对于顶层事务，将与事务的 xid 相同）。 Int64 (XLogRecPtr) 中止操作的 LSN，仅当 streaming 设置为 parallel 时出现。此字段从协议版本 4 起可用。 Int64 (TimestampTz) 事务的中止时间戳，仅当 streaming 设置为 parallel 时出现。该值为自 PostgreSQL 纪元（2000-01-01）以来的微秒数。此字段从协议版本 4 起可用。","description_zh_html":"\u003cp\u003e协议消息 Stream Abort。\u003c/p\u003e\u003ch3\u003e同版本中文手册定义\u003c/h3\u003e\u003cdd\u003e\u003cdiv class=\"variablelist\"\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt\u003e\u003cspan class=\"term\"\u003eByte1('A')\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         将该消息标识为 Stream Abort 消息。\n        \u003c/p\u003e\u003c/dd\u003e\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         事务的 Xid。\n        \u003c/p\u003e\u003c/dd\u003e\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         子事务的 Xid（对于顶层事务，将与事务的 xid 相同）。\n        \u003c/p\u003e\u003c/dd\u003e\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (XLogRecPtr)\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         中止操作的 LSN，仅当 streaming 设置为 parallel 时出现。此字段从协议版本 4 起可用。\n        \u003c/p\u003e\u003c/dd\u003e\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (TimestampTz)\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         事务的中止时间戳，仅当 streaming 设置为 parallel 时出现。该值为自 PostgreSQL 纪元（2000-01-01）以来的微秒数。此字段从协议版本 4 起可用。\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e\u003c/dd\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-ABORT\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e","facts":[{"label":"Layer","value":"Logical replication payload; distinct from the frontend/backend message envelope"},{"label":"First field","value":"Byte1('A')"}],"facts_zh":[{"label":"层次","value":"逻辑复制载荷，与前后端消息封装分开。"},{"label":"首个字段","value":"Byte1('A')"}],"fields":[{"description":"Identifies the message as a stream abort message.","format":"Byte1('A')"},{"description":"Xid of the transaction.","format":"Int32 (TransactionId)"},{"description":"Xid of the subtransaction (will be same as xid of the transaction for top-level transactions).","format":"Int32 (TransactionId)"},{"description":"The LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4.","format":"Int64 (XLogRecPtr)"},{"description":"Abort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4.","format":"Int64 (TimestampTz)"}],"manual_html":"\u003cdl\u003e\u003cdd\u003e\n\u003cdiv class=\"variablelist\"\u003e\n\u003cdl class=\"variablelist\"\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eByte1('A')\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eIdentifies the message as a stream abort message.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the transaction.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the subtransaction (will be same as xid of the transaction for top-level transactions).\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (XLogRecPtr)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eThe LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (TimestampTz)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eAbort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003c/dd\u003e\u003c/dl\u003e","manual_path":"/docs/18/protocol-logicalrep-message-formats.html","related":[{"label":"Streaming replication protocol","url":"/docs/18/protocol-replication.html"},{"label":"Logical Decoding Plugins","url":"/wiki/decode/?v=18"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"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."],"title":"Protocol context"}],"sections_zh":[{"paragraphs":["本节说明各逻辑复制消息的详细格式。这些消息由复制槽 SQL 接口返回，或由 walsender 发送。由 walsender 发送时，它们被封装在复制协议的 WAL 消息中（参见第 54.4 节），消息流程通常与物理复制相同。Stream Start、Stream Stop、Stream Commit 和 Stream Abort 从协议版本 2 起可用。Begin Prepare、Prepare、Commit Prepared、Rollback Prepared 和 Stream Prepare 从协议版本 3 起可用。以下消息部分为上述消息所共用。"],"title":"协议上下文"}],"signature":"Stream Abort","sources":[{"label":"PostgreSQL 18 English manual","path":"protocol-logicalrep-message-formats.html","sha256":"e976b008206820fbeb1eba226e69bb7c00af157372c3545375d1b5053c76d0ad","url":"/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-ABORT"}],"tables":[{"columns":[{"key":"c0","label":"Position"},{"key":"c1","label":"Format"},{"key":"c2","label":"Meaning"}],"key":"fields","rows":[{"c0":"1","c1":"Byte1('A')","c2":"Identifies the message as a stream abort message."},{"c0":"2","c1":"Int32 (TransactionId)","c2":"Xid of the transaction."},{"c0":"3","c1":"Int32 (TransactionId)","c2":"Xid of the subtransaction (will be same as xid of the transaction for top-level transactions)."},{"c0":"4","c1":"Int64 (XLogRecPtr)","c2":"The LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4."},{"c0":"5","c1":"Int64 (TimestampTz)","c2":"Abort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4."}],"title":"Fields in documented order"}],"tables_zh":[{"columns":[{"key":"c0","label":"位置"},{"key":"c1","label":"格式"},{"key":"c2","label":"含义"}],"key":"fields","rows":[{"c0":"1","c1":"Byte1('A')","c2":"将该消息标识为 Stream Abort 消息。"},{"c0":"2","c1":"Int32 (TransactionId)","c2":"事务的 Xid。"},{"c0":"3","c1":"Int32 (TransactionId)","c2":"子事务的Xid（对于顶层事务，将与事务的xid相同）。"},{"c0":"4","c1":"Int64 (XLogRecPtr)","c2":"中止操作的 LSN，仅在 streaming 设置为 parallel 时出现。此字段从协议版本 4 起可用。"},{"c0":"5","c1":"Int64 (TimestampTz)","c2":"事务中止时间戳，仅在 streaming 设置为 parallel 时出现。其值为自 PostgreSQL 纪元（2000-01-01）以来的微秒数。此字段从协议版本 4 起可用。"}],"title":"按手册顺序排列的字段"}],"zh_from":{"authored_translation":"source-derived-identity","body_sha256":"68fa2bf20bea5d643edd3b9c6d03d02f1e5d38d70b42f8d6ef4e9b10c9cf2651","kind":"same-version-chinese-manual-with-source-derived-identity","manual":{"anchor":"PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-ABORT","build_id":107,"extraction":"exact-definition","fragment_sha256":"f78c46ecbcde7bfbf61970047c75eec6057c3b46db49fa6cc455de3ab91b7d51","locale":"zh-Hans","page_key":"protocol-logicalrep-message-formats.html","source_hash":"9561d3a39aca911a61b68b188aa97828e60fb6f7d81323d8aada08fe67259039","source_revision":"unknown:rendered-translation-baseline","translated_from_revision":null,"translation_revision":"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b","url":"/zh/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-ABORT","version":"18"},"runtime_rerun":false,"source_facts_revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}},"ManualEvidence":{"manual_path":"/docs/18/protocol-logicalrep-message-formats.html","release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"label":"PostgreSQL 18 English manual","path":"protocol-logicalrep-message-formats.html","sha256":"e976b008206820fbeb1eba226e69bb7c00af157372c3545375d1b5053c76d0ad","url":"/docs/18/protocol-logicalrep-message-formats.html#PROTOCOL-LOGICALREP-MESSAGE-FORMATS-STREAM-ABORT"}]},"MeasuredEvidence":{}},"Text":{"Collection":"protocol","Key":"logical-stream-abort","SourceDatabase":"center","Version":"18","Locale":"en","Title":"Stream Abort (logical replication)","Summary":"Logical replication Stream Abort format. Identifies the message as a stream abort message.","BodyHTML":"\u003cdl\u003e\u003cdd\u003e\n\u003cdiv\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cspan\u003eByte1(\u0026#39;A\u0026#39;)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eIdentifies the message as a stream abort message.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the transaction.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the subtransaction (will be same as xid of the transaction for top-level transactions).\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan\u003eInt64 (XLogRecPtr)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eThe LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan\u003eInt64 (TimestampTz)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eAbort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003c/dd\u003e\u003c/dl\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"73c94dde1065b1806a0199a34e003710700100531b95fb9bec6cfc8348b02397","Payload":{"description":["Logical replication Stream Abort format. Identifies the message as a stream abort message."],"manual_html":"\u003cdl\u003e\u003cdd\u003e\n\u003cdiv class=\"variablelist\"\u003e\n\u003cdl class=\"variablelist\"\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eByte1('A')\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eIdentifies the message as a stream abort message.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the transaction.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt32 (TransactionId)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eXid of the subtransaction (will be same as xid of the transaction for top-level transactions).\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (XLogRecPtr)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eThe LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003cdt\u003e\u003cspan class=\"term\"\u003eInt64 (TimestampTz)\u003c/span\u003e\u003c/dt\u003e\n\u003cdd\u003e\n\u003cp\u003eAbort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4.\u003c/p\u003e\n\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003c/dd\u003e\u003c/dl\u003e","related":[{"label":"Streaming replication protocol","url":"/docs/18/protocol-replication.html"},{"label":"Logical Decoding Plugins","url":"/wiki/decode/?v=18"}],"sections":[{"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."],"title":"Protocol context"}],"tables":[{"columns":[{"key":"c0","label":"Position"},{"key":"c1","label":"Format"},{"key":"c2","label":"Meaning"}],"key":"fields","rows":[{"c0":"1","c1":"Byte1('A')","c2":"Identifies the message as a stream abort message."},{"c0":"2","c1":"Int32 (TransactionId)","c2":"Xid of the transaction."},{"c0":"3","c1":"Int32 (TransactionId)","c2":"Xid of the subtransaction (will be same as xid of the transaction for top-level transactions)."},{"c0":"4","c1":"Int64 (XLogRecPtr)","c2":"The LSN of the abort operation, present only when streaming is set to parallel. This field is available since protocol version 4."},{"c0":"5","c1":"Int64 (TimestampTz)","c2":"Abort timestamp of the transaction, present only when streaming is set to parallel. The value is in number of microseconds since PostgreSQL epoch (2000-01-01). This field is available since protocol version 4."}],"title":"Fields in documented order"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}