diff options
Diffstat (limited to 'src/backend/access/transam/clog.c')
| -rw-r--r-- | src/backend/access/transam/clog.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/transam/clog.c b/src/backend/access/transam/clog.c index 40170b868ba..976aa02acaa 100644 --- a/src/backend/access/transam/clog.c +++ b/src/backend/access/transam/clog.c @@ -296,8 +296,9 @@ TransactionIdSetPageStatus(TransactionId xid, int nsubxids, if (all_xact_same_page && xid == MyPgXact->xid && nsubxids <= THRESHOLD_SUBTRANS_CLOG_OPT && nsubxids == MyPgXact->nxids && - memcmp(subxids, MyProc->subxids.xids, - nsubxids * sizeof(TransactionId)) == 0) + (nsubxids == 0 || + memcmp(subxids, MyProc->subxids.xids, + nsubxids * sizeof(TransactionId)) == 0)) { /* * If we can immediately acquire XactSLRULock, we update the status of |