[TD-1939] <test> add test case for TD-1939

tests/pytest/query/queryLike.py

+###################################################################
+#           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 *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+    def run(self):
+        tdSql.prepare()         
+
+        tdSql.execute("create table cars(ts timestamp, c nchar(2)) tags(t1 nchar(2))")
+        tdSql.execute("insert into car0 using cars tags('aa') values(now, 'bb');")
+        tdSql.query("select count(*) from cars where t1 like '%50 90 30 04 00 00%'")
+        tdSql.checkRows(0)
+
+        tdSql.execute("create table test_cars(ts timestamp, c nchar(2)) tags(t1 nchar(20))")
+        tdSql.execute("insert into car1 using test_cars tags('150 90 30 04 00 002') values(now, 'bb');")
+        tdSql.query("select count(*) from test_cars where t1 like '%50 90 30 04 00 00%'")
+        tdSql.checkRows(1)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())