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

54 lines
1.7 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
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 3650")
tdSql.execute("use db")
tdLog.printNoPrefix("==========step1:create table and insert data")
tdSql.execute(
"create table stb1 (ts timestamp, c1 timestamp , c2 int) TAGS(t1 int )"
)
tdLog.printNoPrefix("==========step2:query data where timestamp data is null")
tdSql.execute(
"insert into t1 using stb1(t1) tags(1) (ts, c1, c2) values (now-1m, null, 1)"
)
tdSql.execute(
"insert into t1 using stb1(t1) tags(1) (ts, c2) values (now-2m, 2)"
)
tdSql.query("select * from t1 where c1 is NULL")
tdSql.checkRows(2)
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())