54 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
###################################################################
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#           Copyright (c) 2016 by TAOS Technologies, Inc.
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#                     All rights reserved.
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#
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#  This file is proprietary and confidential to TAOS Technologies.
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#  No part of this file may be reproduced, stored, transmitted,
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#  disclosed or used in any form or by any means other than as
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#  expressly provided by the written permission from Jianhui Tao
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#
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###################################################################
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# -*- coding: utf-8 -*-
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import sys
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from util.log import *
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from util.cases import *
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from util.sql import *
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from util.dnodes import *
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class TDTestCase:
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    def init(self, conn, logSql):
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        tdLog.debug("start to execute %s" % __file__)
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        tdSql.init(conn.cursor(), logSql)
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    def run(self):
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        tdSql.prepare()
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        tdSql.execute("drop database if exists db")
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        tdSql.execute("create database  if not exists db keep 3650")
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        tdSql.execute("use db")
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        tdLog.printNoPrefix("==========step1:create table and insert data")
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        tdSql.execute(
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            "create table stb1 (ts timestamp, c1 timestamp , c2 int) TAGS(t1 int )"
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        )
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        tdLog.printNoPrefix("==========step2:query data where timestamp data is null")
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        tdSql.execute(
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            "insert into t1 using stb1(t1) tags(1) (ts, c1, c2) values (now-1m, null, 1)"
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        )
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        tdSql.execute(
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            "insert into t1 using stb1(t1) tags(1) (ts, c2) values (now-2m, 2)"
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        )
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        tdSql.query("select * from t1 where c1 is NULL")
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        tdSql.checkRows(2)
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    def stop(self):
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        tdSql.close()
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        tdLog.success("%s successfully executed" % __file__)
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tdCases.addWindows(__file__, TDTestCase())
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tdCases.addLinux(__file__, TDTestCase())
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