diff options
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 3e562d3a545..40c3247d4b8 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -1294,6 +1294,7 @@ TransactionIdIsActive(TransactionId xid) * in the master but are still being replayed on the standby, thus possibly * making the GetOldestXmin reading go backwards. In this case there is a * possibility that we lose data that the standby would like to have, but + * unless the standby uses a replication slot to make its xmin persistent * there is little we can do about that --- data is only protected if the * walsender runs continuously while queries are executed on the standby. * (The Hot Standby code deals with such cases by failing standby queries |