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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-23 23:20:52 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-23 23:20:52 +0000 |
| commit | 61b22d3aab48fc462bf7283964fde9b3071a72fd (patch) | |
| tree | 9e6816098e675790cf22511cad4025cc91f5f34d /src/backend/utils | |
| parent | 3bbd6af37cef7a46f6d3ecb8d95b58614bd76f52 (diff) | |
| download | postgresql-61b22d3aab48fc462bf7283964fde9b3071a72fd.tar.gz postgresql-61b22d3aab48fc462bf7283964fde9b3071a72fd.zip | |
btree page recycling can be done as soon as page's next-xact label is
older than current Xmin; we don't have to wait till it's older than
GlobalXmin.
Diffstat (limited to 'src/backend/utils')
| -rw-r--r-- | src/backend/utils/time/tqual.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/utils/time/tqual.c b/src/backend/utils/time/tqual.c index d6a329fa318..f5f0305e91a 100644 --- a/src/backend/utils/time/tqual.c +++ b/src/backend/utils/time/tqual.c @@ -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 1.61 2002/10/08 17:17:19 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.62 2003/02/23 23:20:52 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -33,7 +33,8 @@ Snapshot SnapshotDirty = &SnapshotDirtyData; Snapshot QuerySnapshot = NULL; Snapshot SerializableSnapshot = NULL; -/* This is updated by GetSnapshotData: */ +/* These are updated by GetSnapshotData: */ +TransactionId RecentXmin = InvalidTransactionId; TransactionId RecentGlobalXmin = InvalidTransactionId; bool ReferentialIntegritySnapshotOverride = false; |