Fix pg_upgrade crash

[pg-rex/syncrep.git] / contrib / pg_upgrade / relfilenode.c

diff --git a/contrib/pg_upgrade/relfilenode.c b/contrib/pg_upgrade/relfilenode.c
index b20ca20..fc36968 100644 (file)
--- a/contrib/pg_upgrade/relfilenode.c
+++ b/contrib/pg_upgrade/relfilenode.c
@@ -46,6 +46,10 @@ transfer_all_new_dbs(migratorContext *ctx, DbInfoArr *olddb_arr,
                int                     n_maps;
                pageCnvCtx *pageConverter = NULL;
 
+               if (!old_db)
+                       pg_log(ctx, PG_FATAL,
+                          "the new cluster database %s was not found in the old cluster\n", new_db->db_name);
+               
                n_maps = 0;
                mappings = gen_db_file_maps(ctx, old_db, new_db, &n_maps, old_pgdata,
                                                                        new_pgdata);