Remove ENABLE_SAME_CATVERSION_UPGRADES as unnecessary.

diff --git a/contrib/pg_upgrade/check.c b/contrib/pg_upgrade/check.c
index 3d86fae69ed1333265ad2ab82ebe050984c1776e..d32a84c6354eae4694a3dadf57faa595e8c33dc4 100644 (file)
--- a/contrib/pg_upgrade/check.c
+++ b/contrib/pg_upgrade/check.c
@@ -242,10 +242,8 @@ check_cluster_versions(void)
     * We can't allow downgrading because we use the target pg_dumpall, and
     * pg_dumpall cannot operate on new database versions, only older versions.
     */
-#ifndef ENABLE_SAME_CATVERSION_UPGRADES    /* does not allow tablespace upgrades */
    if (old_cluster.major_version > new_cluster.major_version)
        pg_log(PG_FATAL, "This utility cannot be used to downgrade to older major PostgreSQL versions.\n");
-#endif
 
    /* get old and new binary versions */
    get_bin_version(&old_cluster);