Fix not-backwards-compatible pg_upgrade test for prepared transactions.

There's no reason for this test to use the undocumented pg_prepared_xact()
function, when it can use the stable API pg_prepared_xacts instead.
Fixes breakage against 8.3, as reported by Justin Arnold.

diff --git a/contrib/pg_upgrade/check.c b/contrib/pg_upgrade/check.c
index 9690695fce8c25ede119bf4fd08bfa4a107e285a..93b9e695b731cca50027d03b21812822163cce99 100644 (file)
--- a/contrib/pg_upgrade/check.c
+++ b/contrib/pg_upgrade/check.c
@@ -532,7 +532,7 @@ check_for_prepared_transactions(ClusterInfo *cluster)
 
    res = executeQueryOrDie(conn,
                            "SELECT * "
-                           "FROM pg_catalog.pg_prepared_xact()");
+                           "FROM pg_catalog.pg_prepared_xacts");
 
    if (PQntuples(res) != 0)
        pg_log(PG_FATAL, "The %s cluster contains prepared transactions\n",