!2615 support changing schema of foreign table(not mot)

Merge pull request !2615 from 吴岳川/master

src/gausskernel/optimizer/commands/alter.cpp

@@ -249,11 +249,6 @@ void ExecAlterObjectSchemaStmt(AlterObjectSchemaStmt* stmt)
         case OBJECT_MATVIEW:
         case OBJECT_FOREIGN_TABLE:
         case OBJECT_STREAM:
-            if (stmt->objectType == OBJECT_FOREIGN_TABLE)
-                ereport(ERROR,
-                    (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-                        errmsg("Un-support feature"),
-                        errdetail("target table is a foreign table")));
             if (stmt->objectType == OBJECT_STREAM)
                 ereport(ERROR,
                     (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),

src/gausskernel/optimizer/commands/tablecmds.cpp

@@ -18671,6 +18671,13 @@ void AlterTableNamespace(AlterObjectSchemaStmt* stmt)
         return;
     }
 
+#ifdef ENABLE_MOT
+    if (IsMOTForeignTable(relid)) {
+        ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("Un-support feature"),
+                        errdetail("target table is a mot table")));
+    }
+#endif
+    
     TrForbidAccessRbObject(RelationRelationId, relid, stmt->relation->relname);
 
     rel = relation_open(relid, NoLock);

src/test/regress/expected/alter_foreign_schema.out

@@ -0,0 +1,22 @@
+CREATE SERVER alter_foreign_schema_test FOREIGN DATA WRAPPER file_fdw;
+CREATE FOREIGN TABLE file_f_table (id int) SERVER alter_foreign_schema_test OPTIONs (filename 'test');
+select nspname from pg_class a left join pg_namespace b on b.oid = a.relnamespace  where relname = 'file_f_table';
+ nspname 
+---------
+ public
+(1 row)
+
+create schema alter_foreign_schema_test_schema;
+alter foreign table file_f_table set schema alter_foreign_schema_test_schema;
+select nspname from pg_class a left join pg_namespace b on b.oid = a.relnamespace  where relname = 'file_f_table';
+             nspname              
+----------------------------------
+ alter_foreign_schema_test_schema
+(1 row)
+
+select * from file_f_table;
+ERROR:  relation "file_f_table" does not exist on datanode1
+LINE 1: select * from file_f_table;
+                      ^
+select * from alter_foreign_schema_test_schema.file_f_table;
+ERROR:  could not open file "test" for reading: No such file or directory

src/test/regress/expected/mot/single_basic_sql.out

@@ -446,6 +446,12 @@ SELECT * FROM bmsql_district ORDER BY d_id, d_w_id;
       3 |    3 | 123.22 | .2234 |         100 | VVV    | FFF        | DDD        | XXX    | IL      | 84965    
 (6 rows)
 
+--unsupport feature
+create schema alter_schema_mot_test;
+alter foreign table bmsql_district set schema alter_schema_mot_test;
+ERROR:  Un-support feature
+DETAIL:  target table is a mot foreign table
+drop schema alter_schema_mot_test;
 --cleanup
 DROP FOREIGN TABLE bmsql_warehouse;
 DROP FOREIGN TABLE bmsql_district;

src/test/regress/parallel_schedule0

@@ -1039,3 +1039,4 @@ test: show_warnings
 
 # partition expression key
 test: partition_expr_key
+test: alter_foreign_schema

src/test/regress/sql/alter_foreign_schema.sql

@@ -0,0 +1,8 @@
+CREATE SERVER alter_foreign_schema_test FOREIGN DATA WRAPPER file_fdw;
+CREATE FOREIGN TABLE file_f_table (id int) SERVER alter_foreign_schema_test OPTIONs (filename 'test');
+select nspname from pg_class a left join pg_namespace b on b.oid = a.relnamespace  where relname = 'file_f_table';
+create schema alter_foreign_schema_test_schema;
+alter foreign table file_f_table set schema alter_foreign_schema_test_schema;
+select nspname from pg_class a left join pg_namespace b on b.oid = a.relnamespace  where relname = 'file_f_table';
+select * from file_f_table;
+select * from alter_foreign_schema_test_schema.file_f_table;

src/test/regress/sql/mot/single_basic_sql.sql

@@ -143,6 +143,11 @@ DELETE FROM bmsql_district WHERE d_w_id=1;
 
 SELECT * FROM bmsql_district ORDER BY d_id, d_w_id;
 
+--unsupport feature
+create schema alter_schema_mot_test;
+alter foreign table bmsql_district set schema alter_schema_mot_test;
+drop schema alter_schema_mot_test;
+
 --cleanup
 DROP FOREIGN TABLE bmsql_warehouse;
 DROP FOREIGN TABLE bmsql_district;