diff options
| author | Peter Eisentraut | 2017-08-23 18:19:35 +0000 |
|---|---|---|
| committer | Peter Eisentraut | 2017-08-23 18:20:57 +0000 |
| commit | fe4c6582465719efc7534ae184fcc4b9dd6b1660 (patch) | |
| tree | 0ace5584a997f7c54cbaab2237fc235ef35c7b6d | |
| parent | 3d58994eccb77b7ff07398049cd2eb129bb5c943 (diff) | |
Fix outdated comment
Author: Thomas Munro <thomas.munro@enterprisedb.com>
| -rw-r--r-- | src/backend/storage/lmgr/predicate.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c index 113457cbd0e..1c0ce9245fa 100644 --- a/src/backend/storage/lmgr/predicate.c +++ b/src/backend/storage/lmgr/predicate.c @@ -116,10 +116,12 @@ * than its own active transaction must acquire an exclusive * lock. * - * FirstPredicateLockMgrLock based partition locks + * PredicateLockHashPartitionLock(hashcode) * - The same lock protects a target, all locks on that target, and - * the linked list of locks on the target.. - * - When more than one is needed, acquire in ascending order. + * the linked list of locks on the target. + * - When more than one is needed, acquire in ascending address order. + * - When all are needed (rare), acquire in ascending index order with + * PredicateLockHashPartitionLockByIndex(index). * * SerializableXactHashLock * - Protects both PredXact and SerializableXidHash. |