test: add del stable case

tests/pytest/fulltest.sh

@@ -84,4 +84,7 @@ python3 ./test.py $1 -f import_merge/importTRestart.py
 
 # user
 python3 ./test.py $1 -f user/user_create.py
-python3 ./test.py $1 -f user/pass_len.py
+python3 ./test.py $1 -f user/pass_len.py
+
+# table
+#python3 ./test.py $1 -f table/del_stable.py

tests/pytest/table/del_stable.py

@@ -0,0 +1,50 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import taos
+from util.log import tdLog
+from util.cases import tdCases
+from util.sql import tdSql
+
+
+class TDTestCase:
+    def init(self, conn):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+    def run(self):
+        tdSql.prepare()
+
+        tdSql.execute("drop database if exists db")
+        print("==============step1")
+        tdSql.execute("create database db")
+        tdSql.execute("create table db.st (ts timestamp, i int) tags(j int)")
+        tdSql.execute("create table db.tb using st tags(1)")
+        tdSql.execute("insert into db.tb values(now, 1)")
+
+        print("==============step2")
+        try:
+            tdSql.execute("drop table db.st")
+        except Exception as e:
+            tdLog.exit(e)
+        tdSql.execute("select * from db.st")
+        tdSql.checkRows(1)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())