diff options
Diffstat (limited to 'src/backend/commands/vacuum.c')
| -rw-r--r-- | src/backend/commands/vacuum.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c index d89ba3031f9..395e75f768f 100644 --- a/src/backend/commands/vacuum.c +++ b/src/backend/commands/vacuum.c @@ -1741,7 +1741,7 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params) * MyProc->xid/xmin, otherwise GetOldestNonRemovableTransactionId() * might appear to go backwards, which is probably Not Good. */ - LWLockAcquire(ProcArrayLock, LW_EXCLUSIVE); + LWLockAcquire(ProcArrayLock, LW_SHARED); MyProc->statusFlags |= PROC_IN_VACUUM; if (params->is_wraparound) MyProc->statusFlags |= PROC_VACUUM_FOR_WRAPAROUND; |