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Fix HEAP_MOVED_OFF handling in HeapTupleSatisfiesDirty

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(may be used while vacuuming unique btree-s).
This commit is contained in:
Vadim B. Mikheev 1999-04-05 10:55:49 +00:00
parent e91f43a122
commit 9cae93d309
1 changed files with 9 additions and 1 deletions
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10
src/backend/utils/time/tqual.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.26 1999/03/28 20:32:29 vadim Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.27 1999/04/05 10:55:49 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -411,6 +411,12 @@ HeapTupleSatisfiesDirty(HeapTupleHeader tuple)
if (tuple->t_infomask & HEAP_MOVED_OFF) if (tuple->t_infomask & HEAP_MOVED_OFF)
{ {
/*
* HeapTupleSatisfiesDirty is used by unique btree-s and so
* may be used while vacuuming.
*/
if (TransactionIdIsCurrentTransactionId((TransactionId)tuple->t_cmin))
return false;
if (TransactionIdDidCommit((TransactionId)tuple->t_cmin)) if (TransactionIdDidCommit((TransactionId)tuple->t_cmin))
{ {
tuple->t_infomask |= HEAP_XMIN_INVALID; tuple->t_infomask |= HEAP_XMIN_INVALID;
@ -419,6 +425,8 @@ HeapTupleSatisfiesDirty(HeapTupleHeader tuple)
} }
else if (tuple->t_infomask & HEAP_MOVED_IN) else if (tuple->t_infomask & HEAP_MOVED_IN)
{ {
if (TransactionIdIsCurrentTransactionId((TransactionId)tuple->t_cmin))
return true;
if (!TransactionIdDidCommit((TransactionId)tuple->t_cmin)) if (!TransactionIdDidCommit((TransactionId)tuple->t_cmin))
{ {
tuple->t_infomask |= HEAP_XMIN_INVALID; tuple->t_infomask |= HEAP_XMIN_INVALID;