diff options
Diffstat (limited to 'src/backend/storage/ipc/procarray.c')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 39de167fe56..b037e594941 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -23,7 +23,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/ipc/procarray.c,v 1.18 2006/10/04 00:29:57 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/ipc/procarray.c,v 1.19 2006/11/05 22:42:09 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -213,7 +213,9 @@ TransactionIdIsInProgress(TransactionId xid) /* * Don't bother checking a transaction older than RecentXmin; it could not - * possibly still be running. + * possibly still be running. (Note: in particular, this guarantees + * that we reject InvalidTransactionId, FrozenTransactionId, etc as + * not running.) */ if (TransactionIdPrecedes(xid, RecentXmin)) { |