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Diffstat (limited to 'src/backend/storage/lmgr/lock.c')
| -rw-r--r-- | src/backend/storage/lmgr/lock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c index be44913e2a..5f32617342 100644 --- a/src/backend/storage/lmgr/lock.c +++ b/src/backend/storage/lmgr/lock.c @@ -1470,6 +1470,16 @@ LockCheckConflicts(LockMethod lockMethodTable, } /* + * The relation extension lock conflict even between the group members. + */ + if (LOCK_LOCKTAG(*lock) == LOCKTAG_RELATION_EXTEND) + { + PROCLOCK_PRINT("LockCheckConflicts: conflicting (group)", + proclock); + return true; + } + + /* * Locks held in conflicting modes by members of our own lock group are * not real conflicts; we can subtract those out and see if we still have * a conflict. This is O(N) in the number of processes holding or |