homework-jianmu/tests/pytest/query/nestedQuery/queryWithSpread.py

47 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
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(), logSql)
def run(self):
tdSql.prepare()
tdSql.execute('create table stb (ts timestamp, speed int) tags(t1 int);')
for i in range(10):
tdSql.execute(f'create table tb_{i} using stb tags({i});')
tdSql.execute(f'insert into tb_{i} values(now, 0)')
tdSql.execute(f'insert into tb_{i} values(now+10s, {i})')
tdSql.query('select max(col3) from (select spread(speed) as col3 from stb group by tbname);')
tdSql.checkData(0,0,'9.0')
tdSql.error('select max(col3) from (select spread(col3) as col3 from stb group by tbname);')
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())