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| author | Peter Eisentraut <peter_e@gmx.net> | 2017-08-23 14:19:35 -0400 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2017-08-23 14:20:57 -0400 |
| commit | fe4c6582465719efc7534ae184fcc4b9dd6b1660 (patch) | |
| tree | 0ace5584a997f7c54cbaab2237fc235ef35c7b6d /src/backend/storage | |
| parent | 3d58994eccb77b7ff07398049cd2eb129bb5c943 (diff) | |
| download | postgresql-fe4c6582465719efc7534ae184fcc4b9dd6b1660.tar.gz postgresql-fe4c6582465719efc7534ae184fcc4b9dd6b1660.zip | |
Fix outdated comment
Author: Thomas Munro <thomas.munro@enterprisedb.com>
Diffstat (limited to 'src/backend/storage')
| -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. |