add case for TD-3375

tests/pytest/query/bug3375.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
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.prepare()
+        tdSql.execute("drop database if exists db")
+        tdSql.execute("create database  if not exists db keep 36500")
+        tdSql.execute("use db")
+
+        tdLog.printNoPrefix("==========step1:create table && insert data")
+        tdSql.execute(
+            "create table stb1 (ts timestamp, c11 int) TAGS(t11 int, t12 int )"
+        )
+        tdSql.execute(
+            "create table stb2 (ts timestamp, c21 int) TAGS(t21 int, t22 int )"
+        )
+        tdSql.execute("create table t10 using stb1 tags(1, 10)")
+        tdSql.execute("create table t20 using stb2 tags(1, 12)")
+        tdSql.execute("insert into t10 values (1600000000000, 1)")
+        tdSql.execute("insert into t10 values (1610000000000, 2)")
+        tdSql.execute("insert into t20 values (1600000000000, 3)")
+        tdSql.execute("insert into t20 values (1610000000000, 4)")
+
+        tdLog.printNoPrefix("==========step2:query crash test")
+        tdSql.query("select stb1.c11, stb1.t11, stb1.t12 from stb2,stb1 where stb2.t21 = stb1.t11 and stb1.ts = stb2.ts")
+        tdSql.checkRows(2)
+        tdSql.query("select stb2.c21, stb2.t21, stb2.t21 from stb1, stb2 where stb2.t21 = stb1.t11 and stb1.ts = stb2.ts")
+        tdSql.checkRows(2)
+        tdSql.query("select top(stb2.c21,2) from stb1, stb2 where stb2.t21 = stb1.t11 and stb1.ts = stb2.ts")
+        tdSql.checkRows(2)
+        tdSql.query("select last(stb2.c21) from stb1, stb2 where stb2.t21 = stb1.t11 and stb1.ts = stb2.ts")
+        tdSql.checkRows(1)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
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