homework-jianmu/tests/pytest/query/select_last_crash.py

52 lines
1.5 KiB
Python

###################################################################
# 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())
self.rowNum = 5000
self.ts = 1537146000000
def run(self):
tdSql.prepare()
tdSql.execute(
"create table if not exists st (ts timestamp, value nchar(50), speed int) tags(dev nchar(50))")
tdSql.execute(
"create table t1 using st tags('dev_001')")
for i in range(self.rowNum):
tdSql.execute(
"insert into t1 values(%d, 'taosdata%d', %d)" %
(self.ts + i, i + 1, i + 1))
tdSql.query("select last(*) from st")
tdSql.checkRows(1)
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())