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Commitec99dd5

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Remove incorrect assertion in clog.c
We must advance the oldest XID that can be safely looked up in clog*before* truncating CLOG, and the oldest XID that can't be reused*after* truncating CLOG. This assertion, and the accompanyingcomment, are confused; remove them.Reported by Neha Sharma.Discussion:http://postgr.es/m/CANiYTQumC3T=UMBMd1Hor=5XWZYuCEQBioL3ug0YtNQCMMT5wQ@mail.gmail.com
1 parent749c7c4 commitec99dd5

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  • src/backend/access/transam

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‎src/backend/access/transam/clog.c

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Original file line numberDiff line numberDiff line change
@@ -678,10 +678,6 @@ TruncateCLOG(TransactionId oldestXact, Oid oldestxid_datoid)
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*/
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AdvanceOldestClogXid(oldestXact);
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/* vac_truncate_clog already advanced oldestXid */
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Assert(TransactionIdPrecedesOrEquals(oldestXact,
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ShmemVariableCache->oldestXid));
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/*
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* Write XLOG record and flush XLOG to disk. We record the oldest xid
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* we're keeping information about here so we can ensure that it's always

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