Dynamic array required within pg_stat_replication.

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 94547245fee6c06197dd59e9f57ff46c398c4098..59521129a1e90ffca5942493519b7c43c379a0ec 100644 (file)
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -1322,7 +1322,7 @@ pg_stat_get_wal_senders(PG_FUNCTION_ARGS)
        Tuplestorestate    *tupstore;
        MemoryContext           per_query_ctx;
        MemoryContext           oldcontext;
-       int                                     sync_priority[max_wal_senders];
+       int                                     *sync_priority;
        int                                     priority = 0;
        int                                     sync_standby = -1;
        int                                     i;
@@ -1357,6 +1357,7 @@ pg_stat_get_wal_senders(PG_FUNCTION_ARGS)
         * lock acquisitions and to allow us to evaluate who is the current
         * sync standby. This code must match the code in SyncRepReleaseWaiters().
         */
+       sync_priority = palloc(sizeof(int) * max_wal_senders);
        LWLockAcquire(SyncRepLock, LW_SHARED);
        for (i = 0; i < max_wal_senders; i++)
        {
@@ -1456,6 +1457,7 @@ pg_stat_get_wal_senders(PG_FUNCTION_ARGS)
 
                tuplestore_putvalues(tupstore, tupdesc, values, nulls);
        }
+       pfree(sync_priority);
 
        /* clean up and return the tuplestore */
        tuplestore_donestoring(tupstore);