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Self review of previous patch. Fix assumption that xmax >= xmin.

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This commit is contained in:
Simon Riggs 2010-12-09 10:20:49 +00:00
parent b9075a6d2f
commit 9975c683b1
1 changed files with 2 additions and 4 deletions
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6
src/backend/access/heap/heapam.c
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@ -3809,11 +3809,9 @@ HeapTupleHeaderAdvanceLatestRemovedXid(HeapTupleHeader tuple,
!(tuple->t_infomask & HEAP_XMIN_INVALID) &&
TransactionIdDidCommit(xmin)))
{
if (TransactionIdFollows(xmax, xmin))
{
if (TransactionIdFollows(xmax, *latestRemovedXid))
if (xmax != xmin &&
TransactionIdFollows(xmax, *latestRemovedXid))
*latestRemovedXid = xmax;
}
}
/* *latestRemovedXid may still be invalid at end */