8000 [PGPRO-4074] Allow multiple processes acquire the same repl origin. · postgrespro/postgres_cluster@7b06c79 · GitHub
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[PGPRO-4074] Allow multiple processes acquire the same repl origin.
Slight edit of 3f357ebff64 cherry pick. tags: multimaster (cherry picked from commit d33fc4b8c93971a4bcd8b5900004c3e9cc5a8b54)
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‎src/backend/replication/logical/origin.c

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1095,7 +1095,13 @@ replorigin_session_setup(RepOriginId node)
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if (curstate->roident != node)
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continue;
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else if (curstate->acquired_by != 0)
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/*
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* MTM-CRUTCH.
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*
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* Allow multiple backends (mm parallel workers) to setup same
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* replication session.
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*/
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else if (curstate->acquired_by != 0 && DetectGlobalDeadLock == NULL)
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{
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ereport(ERROR,
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(errcode(ERRCODE_OBJECT_IN_USE),

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