chore: test case optimization

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

@@ -112,14 +112,12 @@ class TDTestCase:
             tdSql.execute(self.stb4096)
             for k in range(10):
                 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))
+        for t in range (2):
+            tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="SUPER_TABLE"')
+            tdSql.checkEqual(20465,len(tdSql.queryResult))
+        for t in range (2):
+            tdSql.query(f'select * from information_schema.ins_columns where db_name="db2" and table_type=="CHILD_TABLE"')
+            tdSql.checkEqual(204650,len(tdSql.queryResult))
 
         for i in range (5):
             self.ntb4096 = 'create table db2.ntb%d (ts timestamp' % (i)
@@ -127,10 +125,9 @@ class TDTestCase:
                 self.ntb4096 += ', c%d binary(10)' % (j)
             self.ntb4096 += ')'
             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))
+        for t in range (2):
+            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()