Fix copy & paste mistake in pg_get_replication_slots().

XLogRecPtr was compared with InvalidTransactionId instead of
InvalidXLogRecPtr. As both are defined to the same value this doesn't
cause any actual problems, but it's still wrong.

Backpatch: 9.4-master, bug was introduced in 9.4

diff --git a/src/backend/replication/slotfuncs.c b/src/backend/replication/slotfuncs.c
index 9a2793f7ec3e9e0febfe3b60b9d688d9ae4b21ad..348c7fe9fce08023f97f41fe81f783d31f82efb7 100644 (file)
--- a/src/backend/replication/slotfuncs.c
+++ b/src/backend/replication/slotfuncs.c
@@ -268,7 +268,7 @@ pg_get_replication_slots(PG_FUNCTION_ARGS)
        else
            nulls[i++] = true;
 
-       if (restart_lsn != InvalidTransactionId)
+       if (restart_lsn != InvalidXLogRecPtr)
            values[i++] = LSNGetDatum(restart_lsn);
        else
            nulls[i++] = true;