diff options
Diffstat (limited to 'src/backend/executor/execMain.c')
| -rw-r--r-- | src/backend/executor/execMain.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c index 239656dd06b..b2f7159e8c0 100644 --- a/src/backend/executor/execMain.c +++ b/src/backend/executor/execMain.c @@ -26,7 +26,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.290 2007/03/06 02:06:13 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.291 2007/03/25 19:45:14 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1893,6 +1893,7 @@ EvalPlanQual(EState *estate, Index rti, Relation relation; HeapTupleData tuple; HeapTuple copyTuple = NULL; + SnapshotData SnapshotDirty; bool endNode; Assert(rti != 0); @@ -1925,12 +1926,13 @@ EvalPlanQual(EState *estate, Index rti, * * Loop here to deal with updated or busy tuples */ + InitDirtySnapshot(SnapshotDirty); tuple.t_self = *tid; for (;;) { Buffer buffer; - if (heap_fetch(relation, SnapshotDirty, &tuple, &buffer, true, NULL)) + if (heap_fetch(relation, &SnapshotDirty, &tuple, &buffer, true, NULL)) { /* * If xmin isn't what we're expecting, the slot must have been @@ -1948,17 +1950,17 @@ EvalPlanQual(EState *estate, Index rti, } /* otherwise xmin should not be dirty... */ - if (TransactionIdIsValid(SnapshotDirty->xmin)) + if (TransactionIdIsValid(SnapshotDirty.xmin)) elog(ERROR, "t_xmin is uncommitted in tuple to be updated"); /* * If tuple is being updated by other transaction then we have to * wait for its commit/abort. */ - if (TransactionIdIsValid(SnapshotDirty->xmax)) + if (TransactionIdIsValid(SnapshotDirty.xmax)) { ReleaseBuffer(buffer); - XactLockTableWait(SnapshotDirty->xmax); + XactLockTableWait(SnapshotDirty.xmax); continue; /* loop back to repeat heap_fetch */ } |