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Fix HEAP_MOVED_IN handling in HeapTupleSatisfiesDirty().

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This commit is contained in:
Vadim B. Mikheev
1999-04-12 16:57:27 +00:00
parent 12a5aa4f1a
commit c3b09c2237
1 changed files with 12 additions and 7 deletions
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19
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 1.27 1999/04/05 10:55:49 vadim Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.28 1999/04/12 16:57:27 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -422,15 +422,19 @@ HeapTupleSatisfiesDirty(HeapTupleHeader tuple)
tuple->t_infomask |= HEAP_XMIN_INVALID; tuple->t_infomask |= HEAP_XMIN_INVALID;
return false; return false;
} }
tuple->t_infomask |= HEAP_XMIN_COMMITTED;
} }
else if (tuple->t_infomask & HEAP_MOVED_IN) else if (tuple->t_infomask & HEAP_MOVED_IN)
{ {
if (TransactionIdIsCurrentTransactionId((TransactionId)tuple->t_cmin)) if (!TransactionIdIsCurrentTransactionId((TransactionId)tuple->t_cmin))
return true;
if (!TransactionIdDidCommit((TransactionId)tuple->t_cmin))
{ {
tuple->t_infomask |= HEAP_XMIN_INVALID; if (TransactionIdDidCommit((TransactionId)tuple->t_cmin))
return false; tuple->t_infomask |= HEAP_XMIN_COMMITTED;
else
{
tuple->t_infomask |= HEAP_XMIN_INVALID;
return false;
}
} }
} }
else if (TransactionIdIsCurrentTransactionId(tuple->t_xmin)) else if (TransactionIdIsCurrentTransactionId(tuple->t_xmin))
@ -455,7 +459,8 @@ HeapTupleSatisfiesDirty(HeapTupleHeader tuple)
SnapshotDirty->xmin = tuple->t_xmin; SnapshotDirty->xmin = tuple->t_xmin;
return true; /* in insertion by other */ return true; /* in insertion by other */
} }
tuple->t_infomask |= HEAP_XMIN_COMMITTED; else
tuple->t_infomask |= HEAP_XMIN_COMMITTED;
} }
/* by here, the inserting transaction has committed */ /* by here, the inserting transaction has committed */