homework-jianmu/tests/pytest/alter/alter_cacheLastRow.py

110 lines
3.9 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 tdDnodes
from datetime import datetime
class TDTestCase:
def init(self, conn, logSql):
tdLog.debug("start to execute %s" % __file__)
tdSql.init(conn.cursor(), logSql)
def getBuildPath(self):
selfPath = os.path.dirname(os.path.realpath(__file__))
if ("community" in selfPath):
projPath = selfPath[:selfPath.find("community")]
else:
projPath = selfPath[:selfPath.find("tests")]
for root, dirs, files in os.walk(projPath):
if ("taosd" in files):
rootRealPath = os.path.dirname(os.path.realpath(root))
if ("packaging" not in rootRealPath):
buildPath = root[:len(root) - len("/build/bin")]
break
return buildPath
def run(self):
tdSql.prepare()
tdSql.query('select * from information_schema.ins_databases')
tdSql.checkData(0,15,0)
buildPath = self.getBuildPath()
if (buildPath == ""):
tdLog.exit("taosd not found!")
else:
tdLog.info("taosd found in %s" % buildPath)
binPath = buildPath + "/build/bin/"
#write 5M rows into db, then restart to force the data move into disk.
#create 500 tables
os.system("%staosdemo -f tools/taosdemoAllTest/insert_5M_rows.json -y " % binPath)
tdDnodes.stop(1)
tdDnodes.start(1)
tdSql.execute('use db')
#prepare to query 500 tables last_row()
tableName = []
for i in range(500):
tableName.append(f"stb_{i}")
tdSql.execute('use db')
lastRow_Off_start = datetime.now()
slow = 0 #count time where lastRow on is slower
for i in range(5):
#switch lastRow to off and check
tdSql.execute('alter database db cachemodel 'none'')
tdSql.query('select * from information_schema.ins_databases')
tdSql.checkData(0,15,0)
#run last_row(*) query 500 times
for i in range(500):
tdSql.execute(f'SELECT LAST_ROW(*) FROM {tableName[i]}')
lastRow_Off_end = datetime.now()
tdLog.debug(f'time used:{lastRow_Off_end-lastRow_Off_start}')
#switch lastRow to on and check
tdSql.execute('alter database db cachemodel 'last_row'')
tdSql.query('select * from information_schema.ins_databases')
tdSql.checkData(0,15,1)
#run last_row(*) query 500 times
tdSql.execute('use db')
lastRow_On_start = datetime.now()
for i in range(500):
tdSql.execute(f'SELECT LAST_ROW(*) FROM {tableName[i]}')
lastRow_On_end = datetime.now()
tdLog.debug(f'time used:{lastRow_On_end-lastRow_On_start}')
#check which one used more time
if (lastRow_Off_end-lastRow_Off_start > lastRow_On_end-lastRow_On_start):
pass
else:
slow += 1
tdLog.debug(slow)
if slow > 1: #tolerance for the first time
tdLog.exit('lastRow hot alter failed')
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())