fix: select ins_columns from stb/ctb

tests/system-test/0-others/information_schema.py

@@ -114,6 +114,10 @@ class TDTestCase:
                 tdSql.execute("create table db2.ctb_%d_%dc using db2.stb%d tags(%d)" %(i,k,i,k))
         tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="SUPER_TABLE"')
         tdSql.checkEqual(20465,len(tdSql.queryResult))
+        tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="SUPER_TABLE"')
+        tdSql.checkEqual(20465,len(tdSql.queryResult))
+        tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="CHILD_TABLE"')
+        tdSql.checkEqual(204650,len(tdSql.queryResult))
         tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="CHILD_TABLE"')
         tdSql.checkEqual(204650,len(tdSql.queryResult))
 
@@ -125,6 +129,8 @@ class TDTestCase:
             tdSql.execute(self.ntb4096)
         tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="NORMAL_TABLE"')
         tdSql.checkEqual(20470,len(tdSql.queryResult))
+        tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="NORMAL_TABLE"')
+        tdSql.checkEqual(20470,len(tdSql.queryResult))
 
     def run(self):
         self.prepare_data()