diff options
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index ddd3461d56e..50b9aea6838 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -3256,7 +3256,8 @@ RecordKnownAssignedTransactionIds(TransactionId xid) next_expected_xid = latestObservedXid; TransactionIdAdvance(next_expected_xid); LWLockAcquire(XidGenLock, LW_EXCLUSIVE); - ShmemVariableCache->nextXid = next_expected_xid; + if (TransactionIdFollows(next_expected_xid, ShmemVariableCache->nextXid)) + ShmemVariableCache->nextXid = next_expected_xid; LWLockRelease(XidGenLock); } } |