Fix user mapping object description

We were using "user mapping for user XYZ" as description for user mappings, but
that's ambiguous because users can have mappings on multiple foreign
servers; therefore change it to "for user XYZ on server UVW" instead.
Object identities for user mappings are also updated in the same way, in
branches 9.3 and above.

The incomplete description string was introduced together with the whole
SQL/MED infrastructure by commit cae565e503 of 8.4 era, so backpatch all
the way back.

diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c
index bc176e67973e0d338361a5f08f5a241f259f3ad0..90f68ec7070837f4a4e8739c210e68c748abc4d4 100644 (file)
--- a/src/backend/catalog/dependency.c
+++ b/src/backend/catalog/dependency.c
@@ -2599,6 +2599,8 @@ getObjectDescription(const ObjectAddress *object)
                                HeapTuple       tup;
                                Oid                     useid;
                                char       *usename;
+                               Form_pg_user_mapping umform;
+                               ForeignServer *srv;
 
                                tup = SearchSysCache1(USERMAPPINGOID,
                                                                          ObjectIdGetDatum(object->objectId));
@@ -2606,7 +2608,9 @@ getObjectDescription(const ObjectAddress *object)
                                        elog(ERROR, "cache lookup failed for user mapping %u",
                                                 object->objectId);
 
-                               useid = ((Form_pg_user_mapping) GETSTRUCT(tup))->umuser;
+                               umform = (Form_pg_user_mapping) GETSTRUCT(tup);
+                               useid = umform->umuser;
+                               srv = GetForeignServer(umform->umserver);
 
                                ReleaseSysCache(tup);
 
@@ -2615,7 +2619,9 @@ getObjectDescription(const ObjectAddress *object)
                                else
                                        usename = "public";
 
-                               appendStringInfo(&buffer, _("user mapping for %s"), usename);
+                               appendStringInfo(&buffer, _("user mapping for %s on server %s"), usename,
+                                                                srv->servername);
+
                                break;
                        }
 

diff --git a/src/test/regress/expected/foreign_data.out b/src/test/regress/expected/foreign_data.out
index fcc1d7cceacf8a7904babfee3f3f1b53a4eb335d..4c348d04ac4da7f369111c80642a6d2bbf82d6d1 100644 (file)
--- a/src/test/regress/expected/foreign_data.out
+++ b/src/test/regress/expected/foreign_data.out
@@ -238,7 +238,7 @@ CREATE USER MAPPING FOR current_user SERVER s1;
 DROP FOREIGN DATA WRAPPER foo;                              -- ERROR
 ERROR:  cannot drop foreign-data wrapper foo because other objects depend on it
 DETAIL:  server s1 depends on foreign-data wrapper foo
-user mapping for foreign_data_user depends on server s1
+user mapping for foreign_data_user on server s1 depends on server s1
 HINT:  Use DROP ... CASCADE to drop the dependent objects too.
 SET ROLE regress_test_role;
 DROP FOREIGN DATA WRAPPER foo CASCADE;                      -- ERROR
@@ -248,7 +248,7 @@ RESET ROLE;
 DROP FOREIGN DATA WRAPPER foo CASCADE;
 NOTICE:  drop cascades to 2 other objects
 DETAIL:  drop cascades to server s1
-drop cascades to user mapping for foreign_data_user
+drop cascades to user mapping for foreign_data_user on server s1
 \dew+
                               List of foreign-data wrappers
     Name    |       Owner       |        Validator         | Access privileges | Options 
@@ -500,10 +500,10 @@ CREATE USER MAPPING FOR current_user SERVER s3;
 
 DROP SERVER s3;                                             -- ERROR
 ERROR:  cannot drop server s3 because other objects depend on it
-DETAIL:  user mapping for foreign_data_user depends on server s3
+DETAIL:  user mapping for foreign_data_user on server s3 depends on server s3
 HINT:  Use DROP ... CASCADE to drop the dependent objects too.
 DROP SERVER s3 CASCADE;
-NOTICE:  drop cascades to user mapping for foreign_data_user
+NOTICE:  drop cascades to user mapping for foreign_data_user on server s3
 \des
              List of foreign servers
  Name |       Owner       | Foreign-data wrapper 
@@ -924,8 +924,8 @@ GRANT USAGE ON FOREIGN SERVER s9 TO regress_test_role;
 CREATE USER MAPPING FOR current_user SERVER s9;
 DROP SERVER s9 CASCADE;
 NOTICE:  drop cascades to 2 other objects
-DETAIL:  drop cascades to user mapping for public
-drop cascades to user mapping for unprivileged_role
+DETAIL:  drop cascades to user mapping for public on server s9
+drop cascades to user mapping for unprivileged_role on server s9
 RESET ROLE;
 CREATE SERVER s9 FOREIGN DATA WRAPPER foo;
 GRANT USAGE ON FOREIGN SERVER s9 TO unprivileged_role;
@@ -943,27 +943,27 @@ DROP ROLE regress_test_role;                                -- ERROR
 ERROR:  role "regress_test_role" cannot be dropped because some objects depend on it
 DETAIL:  privileges for server s4
 privileges for foreign-data wrapper foo
-owner of user mapping for regress_test_role
-owner of user mapping for regress_test_role
+owner of user mapping for regress_test_role on server s6
+owner of user mapping for regress_test_role on server s5
 owner of server s5
 owner of server t2
 DROP SERVER s5 CASCADE;
-NOTICE:  drop cascades to user mapping for regress_test_role
+NOTICE:  drop cascades to user mapping for regress_test_role on server s5
 DROP SERVER t1 CASCADE;
-NOTICE:  drop cascades to user mapping for public
+NOTICE:  drop cascades to user mapping for public on server t1
 DROP SERVER t2;
 DROP USER MAPPING FOR regress_test_role SERVER s6;
 DROP FOREIGN DATA WRAPPER foo CASCADE;
 NOTICE:  drop cascades to 5 other objects
 DETAIL:  drop cascades to server s4
-drop cascades to user mapping for foreign_data_user
+drop cascades to user mapping for foreign_data_user on server s4
 drop cascades to server s6
 drop cascades to server s9
-drop cascades to user mapping for unprivileged_role
+drop cascades to user mapping for unprivileged_role on server s9
 DROP SERVER s8 CASCADE;
 NOTICE:  drop cascades to 2 other objects
-DETAIL:  drop cascades to user mapping for foreign_data_user
-drop cascades to user mapping for public
+DETAIL:  drop cascades to user mapping for foreign_data_user on server s8
+drop cascades to user mapping for public on server s8
 DROP ROLE regress_test_indirect;
 DROP ROLE regress_test_role;
 DROP ROLE unprivileged_role;                                -- ERROR