pg_dump: Dump user mappings ordered by user name

This is to get a deterministic dump order independent of the order in
which the user mappings were created.

diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index c06d229d507df65b8689c0e9dc92ae988fda1234..eefd7aa06370a266201545c4d6392bf147b828a2 100644 (file)
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -11766,7 +11766,8 @@ dumpUserMappings(Archive *fout,
                      "FROM pg_options_to_table(umoptions)"
                      "), ', ') AS umoptions "
                      "FROM pg_user_mappings "
-                     "WHERE srvid = '%u'",
+                     "WHERE srvid = '%u' "
+                     "ORDER BY usename",
                      catalogId.oid);
 
    res = PQexec(g_conn, query->data);