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-rw-r--r--src/backend/storage/ipc/procarray.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index ea372f3c0a..2314d50c85 100644
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -625,6 +625,11 @@ GetOldestXmin(bool allDbs, bool ignoreVacuum)
TransactionId result;
int index;
+#ifdef PGXC
+ if (TransactionIdIsValid(RecentGlobalXmin))
+ return RecentGlobalXmin;
+#endif
+
LWLockAcquire(ProcArrayLock, LW_SHARED);
/*