importHeadOverlap.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 *
from util.dnodes import *

class TDTestCase:
  def init(self, conn):
    tdLog.debug("start to execute %s" % __file__)
    tdSql.init(conn.cursor())
    
  def run(self):
    self.ntables = 1
    self.startTime = 1520000010000

    tdSql.prepare()

    tdLog.info("================= step1")
    tdLog.info("create 1 table")
    tdSql.execute('create table tb1 (ts timestamp, speed int)')

    tdLog.info("================= step2")
    tdLog.info("import 10 sequential data")
    startTime = self.startTime
    for rid in range(1,11):
      tdSql.execute('import into tb1 values(%ld, %d)' %(startTime, rid))
      startTime += 1
    
    tdLog.info("================= step3")
    tdSql.query('select * from tb1')
    tdSql.checkRows(10)

    tdLog.info("================= step4")
    tdLog.info("import 5 data before with overlap")
    startTime = self.startTime - 2
    for rid in range(1,11):
      tdSql.execute('import into tb1 values(%ld, %d)' %(startTime, rid))
      startTime += 1

    tdLog.info("================= step5")
    tdSql.query('select * from tb1')
    tdSql.checkRows(12)

  def stop(self):
    tdSql.close()
    tdLog.success("%s successfully executed" % __file__)
  
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())