68 lines
2.1 KiB
Python
68 lines
2.1 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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import taos
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from util.log import tdLog
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from util.cases import tdCases
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from util.sql import tdSql
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from util.dnodes import tdDnodes
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from multiprocessing import Process
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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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self.ts = 1538548685000
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def updateMetadata(self):
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self.host = "127.0.0.1"
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self.user = "root"
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self.password = "taosdata"
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self.config = tdDnodes.getSimCfgPath()
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self.conn = taos.connect(host = self.host, user = self.user, password = self.password, config = self.config)
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self.cursor = self.conn.cursor()
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self.cursor.execute("alter table db.tb add column col2 int")
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print("alter table done")
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def run(self):
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tdSql.prepare()
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print("==============step1")
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tdSql.execute("create table if not exists tb (ts timestamp, col1 int)")
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tdSql.execute("insert into tb values(%d, 1)" % self.ts)
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print("==============step2")
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tdSql.query("select * from tb")
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tdSql.checkRows(1)
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p = Process(target=self.updateMetadata, args=())
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p.start()
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p.join()
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p.terminate()
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tdSql.execute("insert into tb values(%d, 1, 2)" % (self.ts + 1))
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print("==============step2")
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tdSql.query("select * from tb")
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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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