diff options
Diffstat (limited to 'src/backend/access/transam/clog.c')
| -rw-r--r-- | src/backend/access/transam/clog.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/backend/access/transam/clog.c b/src/backend/access/transam/clog.c index dd2f4d5bc7e..a4599e96610 100644 --- a/src/backend/access/transam/clog.c +++ b/src/backend/access/transam/clog.c @@ -285,15 +285,15 @@ TransactionIdSetPageStatus(TransactionId xid, int nsubxids, * updates for multiple backends so that the number of times XactSLRULock * needs to be acquired is reduced. * - * For this optimization to be safe, the XID in MyPgXact and the subxids - * in MyProc must be the same as the ones for which we're setting the - * status. Check that this is the case. + * For this optimization to be safe, the XID and subxids in MyProc must be + * the same as the ones for which we're setting the status. Check that + * this is the case. * * For this optimization to be efficient, we shouldn't have too many * sub-XIDs and all of the XIDs for which we're adjusting clog should be * on the same page. Check those conditions, too. */ - if (all_xact_same_page && xid == MyPgXact->xid && + if (all_xact_same_page && xid == MyProc->xid && nsubxids <= THRESHOLD_SUBTRANS_CLOG_OPT && nsubxids == MyPgXact->nxids && memcmp(subxids, MyProc->subxids.xids, |