add some conflicting cimv test

src/backend/distributed/commands/utility_hook.c

@@ -473,8 +473,6 @@ multi_ProcessUtility(PlannedStmt *pstmt,
 			(RefreshMatViewStmt *) parsetree);
 	}
 
-	bool switchToExtensionOwner = false;
-
 	if (IsA(parsetree, DropStmt))
 	{
 		DropStmt *dropStatement = (DropStmt *) parsetree;

src/test/regress/expected/cimv.out

@@ -780,7 +780,7 @@ ORDER BY a, d_hour;
 (60 rows)
 
 DROP MATERIALIZED VIEW mv;
-NOTICE:  drop cascades to trigger mv_INSERT on table events
+NOTICE:  drop cascades to trigger mv_3_INSERT on table events
 CREATE MATERIALIZED VIEW mv WITH (citus.cimv, citus.insertonlycapture) AS
 SELECT a,
        date_trunc('hour', d) AS d_hour,
@@ -794,7 +794,7 @@ SELECT * FROM mv;
 (0 rows)
 
 DROP MATERIALIZED VIEW mv;
-NOTICE:  drop cascades to trigger mv_INSERT on table events
+NOTICE:  drop cascades to trigger mv_4_INSERT on table events
 SELECT create_distributed_table('events', 'a');
 NOTICE:  Copying data from local table...
 NOTICE:  copying the data has completed
@@ -1676,6 +1676,51 @@ SELECT * FROM mv;
 ---------------------------------------------------------------------
 (0 rows)
 
+-- make sure same mv can be created in different schemas without overlap
+CREATE SCHEMA another_schema;
+SET search_path to another_schema;
+SET citus.shard_count TO 4;
+CREATE TABLE events (a int, b int, c double precision, d timestamp, e bigint);
+CREATE MATERIALIZED VIEW mv WITH (citus.cimv) AS
+SELECT a,
+       date_trunc('hour', d) AS d_hour,
+       min(b) AS min_b,
+       max(b) AS max_b,
+       avg(b) AS avg_b,
+       min(c) AS min_c,
+       max(c) AS max_c,
+       avg(c) AS avg_c,
+       min(e) AS min_e,
+       max(e) AS max_e,
+       avg(e) AS avg_e
+FROM events
+WHERE b > 10
+GROUP BY a, d_hour;
 DROP MATERIALIZED VIEW mv;
+NOTICE:  drop cascades to 4 other objects
+-- test that another user can create CIMV as well
+CREATE USER new_user;
+NOTICE:  not propagating CREATE ROLE/USER commands to worker nodes
+CREATE SCHEMA another_schema2;
+SET search_path to another_schema2;
+CREATE TABLE events (a int, b int, c double precision, d timestamp, e bigint);
+CREATE MATERIALIZED VIEW mv WITH (citus.cimv) AS
+SELECT a,
+       date_trunc('hour', d) AS d_hour,
+       min(b) AS min_b,
+       max(b) AS max_b,
+       avg(b) AS avg_b,
+       min(c) AS min_c,
+       max(c) AS max_c,
+       avg(c) AS avg_c,
+       min(e) AS min_e,
+       max(e) AS max_e,
+       avg(e) AS avg_e
+FROM events
+WHERE b > 10
+GROUP BY a, d_hour;
+REFRESH MATERIALIZED VIEW mv;
+DROP MATERIALIZED VIEW mv CASCADE;
+NOTICE:  drop cascades to 4 other objects
 SET client_min_messages TO WARNING; -- suppress cascade messages
 DROP SCHEMA cimv CASCADE;

src/test/regress/sql/cimv.sql

@@ -379,5 +379,31 @@ GROUP BY a, d_hour;
 
 DROP MATERIALIZED VIEW mv;
 
+-- test that another user can create CIMV as well
+CREATE USER new_user;
+CREATE SCHEMA another_schema2;
+SET search_path to another_schema2;
+
+CREATE TABLE events (a int, b int, c double precision, d timestamp, e bigint);
+
+CREATE MATERIALIZED VIEW mv WITH (citus.cimv) AS
+SELECT a,
+       date_trunc('hour', d) AS d_hour,
+       min(b) AS min_b,
+       max(b) AS max_b,
+       avg(b) AS avg_b,
+       min(c) AS min_c,
+       max(c) AS max_c,
+       avg(c) AS avg_c,
+       min(e) AS min_e,
+       max(e) AS max_e,
+       avg(e) AS avg_e
+FROM events
+WHERE b > 10
+GROUP BY a, d_hour;
+
+REFRESH MATERIALIZED VIEW mv;
+DROP MATERIALIZED VIEW mv CASCADE;
+
 SET client_min_messages TO WARNING; -- suppress cascade messages
 DROP SCHEMA cimv CASCADE;