diff options
Diffstat (limited to 'src/backend/utils/time/tqual.c')
| -rw-r--r-- | src/backend/utils/time/tqual.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/src/backend/utils/time/tqual.c b/src/backend/utils/time/tqual.c index 0cc88167dac..f5314526b88 100644 --- a/src/backend/utils/time/tqual.c +++ b/src/backend/utils/time/tqual.c @@ -6,7 +6,7 @@ * NOTE: all the HeapTupleSatisfies routines will update the tuple's * "hint" status bits if we see that the inserting or deleting transaction * has now committed or aborted. The caller is responsible for noticing any - * change in t_infomask and scheduling a disk write if so. Note that the + * change in t_infomask and scheduling a disk write if so. Note that the * caller must hold at least a shared buffer context lock on the buffer * containing the tuple. (VACUUM FULL assumes it's sufficient to have * exclusive lock on the containing relation, instead.) @@ -16,7 +16,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.59 2002/09/02 01:05:06 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.60 2002/09/04 20:31:33 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -309,7 +309,7 @@ HeapTupleSatisfiesNow(HeapTupleHeader tuple) * This is a simplified version that only checks for VACUUM moving conditions. * It's appropriate for TOAST usage because TOAST really doesn't want to do * its own time qual checks; if you can see the main table row that contains - * a TOAST reference, you should be able to see the TOASTed value. However, + * a TOAST reference, you should be able to see the TOASTed value. However, * vacuuming a TOAST table is independent of the main table, and in case such * a vacuum fails partway through, we'd better do this much checking. * @@ -412,7 +412,7 @@ HeapTupleSatisfiesUpdate(HeapTuple htuple, CommandId curcid) return HeapTupleInvisible; /* inserted after scan * started */ - if (tuple->t_infomask & HEAP_XMAX_INVALID) /* xid invalid */ + if (tuple->t_infomask & HEAP_XMAX_INVALID) /* xid invalid */ return HeapTupleMayBeUpdated; Assert(TransactionIdIsCurrentTransactionId(HeapTupleHeaderGetXmax(tuple))); @@ -430,7 +430,7 @@ HeapTupleSatisfiesUpdate(HeapTuple htuple, CommandId curcid) else if (!TransactionIdDidCommit(HeapTupleHeaderGetXmin(tuple))) { if (TransactionIdDidAbort(HeapTupleHeaderGetXmin(tuple))) - tuple->t_infomask |= HEAP_XMIN_INVALID; /* aborted */ + tuple->t_infomask |= HEAP_XMIN_INVALID; /* aborted */ return HeapTupleInvisible; } else @@ -439,7 +439,7 @@ HeapTupleSatisfiesUpdate(HeapTuple htuple, CommandId curcid) /* by here, the inserting transaction has committed */ - if (tuple->t_infomask & HEAP_XMAX_INVALID) /* xid invalid or aborted */ + if (tuple->t_infomask & HEAP_XMAX_INVALID) /* xid invalid or aborted */ return HeapTupleMayBeUpdated; if (tuple->t_infomask & HEAP_XMAX_COMMITTED) @@ -701,7 +701,7 @@ HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple, Snapshot snapshot) * when... */ if (TransactionIdFollowsOrEquals(HeapTupleHeaderGetXmin(tuple), - snapshot->xmin)) + snapshot->xmin)) { uint32 i; @@ -712,7 +712,7 @@ HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple, Snapshot snapshot) for (i = 0; i < snapshot->xcnt; i++) { if (TransactionIdEquals(HeapTupleHeaderGetXmin(tuple), - snapshot->xip[i])) + snapshot->xip[i])) return false; } } @@ -752,7 +752,7 @@ HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple, Snapshot snapshot) uint32 i; if (TransactionIdFollowsOrEquals(HeapTupleHeaderGetXmax(tuple), - snapshot->xmax)) + snapshot->xmax)) return true; for (i = 0; i < snapshot->xcnt; i++) { @@ -867,7 +867,8 @@ HeapTupleSatisfiesVacuum(HeapTupleHeader tuple, TransactionId OldestXmin) return HEAPTUPLE_LIVE; if (TransactionIdDidCommit(HeapTupleHeaderGetXmax(tuple))) tuple->t_infomask |= HEAP_XMAX_COMMITTED; - else /* it's either aborted or crashed */ + else +/* it's either aborted or crashed */ tuple->t_infomask |= HEAP_XMAX_INVALID; } return HEAPTUPLE_LIVE; @@ -902,7 +903,7 @@ HeapTupleSatisfiesVacuum(HeapTupleHeader tuple, TransactionId OldestXmin) */ if (TransactionIdEquals(HeapTupleHeaderGetXmin(tuple), - HeapTupleHeaderGetXmax(tuple))) + HeapTupleHeaderGetXmax(tuple))) { /* * inserter also deleted it, so it was never visible to anyone |