diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/lmgr/predicate.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c index 870cf4277cf..401acdb4715 100644 --- a/src/backend/storage/lmgr/predicate.c +++ b/src/backend/storage/lmgr/predicate.c @@ -1755,9 +1755,8 @@ CoarserLockCovers(const PREDICATELOCKTARGETTAG *newtargettag) } /* - * Check whether both the list of related predicate locks and the pointer to - * a prior version of the row (if this is a tuple lock target) are empty for - * a predicate lock target, and remove the target if they are. + * Check whether the list of related predicate locks is empty for a + * predicate lock target, and remove the target if it is. */ static void RemoveTargetIfNoLongerUsed(PREDICATELOCKTARGET *target, uint32 targettaghash) @@ -3120,11 +3119,11 @@ ClearOldPredicateLocks(void) /* * Loop through predicate locks on dummy transaction for summarized data. */ + LWLockAcquire(SerializablePredicateLockListLock, LW_SHARED); predlock = (PREDICATELOCK *) SHMQueueNext(&OldCommittedSxact->predicateLocks, &OldCommittedSxact->predicateLocks, offsetof(PREDICATELOCK, xactLink)); - LWLockAcquire(SerializablePredicateLockListLock, LW_SHARED); while (predlock) { PREDICATELOCK *nextpredlock; |