68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
###################################################################
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# Copyright (c) 2016 by TAOS Technologies, Inc.
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# All rights reserved.
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#
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# This file is proprietary and confidential to TAOS Technologies.
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# No part of this file may be reproduced, stored, transmitted,
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# disclosed or used in any form or by any means other than as
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# expressly provided by the written permission from Jianhui Tao
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#
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###################################################################
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# -*- coding: utf-8 -*-
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import random
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import string
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from util.log import *
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from util.cases import *
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from util.sql import *
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from util.dnodes import *
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class TDTestCase:
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def init(self, conn, logSql):
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tdLog.debug("start to execute %s" % __file__)
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tdSql.init(conn.cursor(), logSql)
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def genColList(self):
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'''
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generate column list
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'''
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col_list = list()
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for i in range(1, 18):
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col_list.append(f'c{i}')
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return col_list
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def genIncreaseValue(self, input_value):
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'''
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add ', 1' to end of value every loop
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'''
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value_list = list(input_value)
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value_list.insert(-1, ", 1")
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return ''.join(value_list)
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def insertAlter(self):
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'''
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after each alter and insert, when execute 'select * from {tbname};' taosd will coredump
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'''
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tbname = ''.join(random.choice(string.ascii_letters.lower()) for i in range(7))
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input_value = '(now, 1)'
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tdSql.execute(f'create table {tbname} (ts timestamp, c0 int);')
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tdSql.execute(f'insert into {tbname} values {input_value};')
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for col in self.genColList():
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input_value = self.genIncreaseValue(input_value)
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tdSql.execute(f'alter table {tbname} add column {col} int;')
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tdSql.execute(f'insert into {tbname} values {input_value};')
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tdSql.query(f'select * from {tbname};')
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tdSql.checkRows(18)
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def run(self):
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tdSql.prepare()
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self.insertAlter()
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def stop(self):
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tdSql.close()
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tdLog.success("%s successfully executed" % __file__)
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tdCases.addWindows(__file__, TDTestCase())
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tdCases.addLinux(__file__, TDTestCase())
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