homework-jianmu/tests/pytest/table/alter_wal0.py

77 lines
2.4 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 tdLog
from util.cases import tdCases
from util.sql import tdSql
from util.dnodes import tdDnodes
class TDTestCase:
"""
remove last tow bytes of file 'wal0',then restart taosd and create new tables.
"""
def init(self, conn, logSql):
tdLog.debug("start to execute %s" % __file__)
tdSql.init(conn.cursor(), logSql)
def run(self):
tdSql.prepare()
print("==============step1")
tdSql.execute("create database if not exists demo;");
tdSql.execute("use demo;")
tdSql.execute("create table if not exists meters(ts timestamp, f1 int) tags(t1 int);");
for i in range(1,11):
tdSql.execute("CREATE table if not exists test{num} using meters tags({num});".format(num=i))
print("==============insert 10 tables")
tdSql.query('show tables;')
tdSql.checkRows(10)
print("==============step2")
tdDnodes.stopAll()
path = tdDnodes.getDnodesRootDir()
filename = path + '/dnode1/data/mnode/wal/wal0'
with open(filename, 'rb') as f1:
temp = f1.read()
with open(filename, 'wb') as f2:
f2.write(temp[:-2])
tdDnodes.start(1)
print("==============remove last tow bytes of file 'wal0' and restart taosd")
print("==============step3")
tdSql.execute("use demo;")
tdSql.query('show tables;')
tdSql.checkRows(9)
for i in range(11,21):
tdSql.execute("CREATE table if not exists test{num} using meters tags({num});".format(num=i))
tdSql.query('show tables;')
tdSql.checkRows(19)
print("==============check table numbers and create 10 tables")
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())