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-rw-r--r--src/backend/replication/slot.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c
index c036a2c37b6..899acfd912f 100644
--- a/src/backend/replication/slot.c
+++ b/src/backend/replication/slot.c
@@ -847,6 +847,7 @@ ReplicationSlotsComputeRequiredXmin(bool already_locked)
ReplicationSlot *s = &ReplicationSlotCtl->replication_slots[i];
TransactionId effective_xmin;
TransactionId effective_catalog_xmin;
+ bool invalidated;
if (!s->in_use)
continue;
@@ -854,8 +855,14 @@ ReplicationSlotsComputeRequiredXmin(bool already_locked)
SpinLockAcquire(&s->mutex);
effective_xmin = s->effective_xmin;
effective_catalog_xmin = s->effective_catalog_xmin;
+ invalidated = (!XLogRecPtrIsInvalid(s->data.invalidated_at) &&
+ XLogRecPtrIsInvalid(s->data.restart_lsn));
SpinLockRelease(&s->mutex);
+ /* invalidated slots need not apply */
+ if (invalidated)
+ continue;
+
/* check the data xmin */
if (TransactionIdIsValid(effective_xmin) &&
(!TransactionIdIsValid(agg_xmin) ||