89 lines
3.0 KiB
Python
89 lines
3.0 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, db_test.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 sys
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import taos
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from util.log import tdLog
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from util.cases import tdCases
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from util.sql import tdSql
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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 run(self):
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tdSql.prepare()
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print("==============step1")
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tdLog.info("create database and table")
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tdSql.execute("create database db_test")
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tdSql.execute(
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"create table if not exists db_test.st(ts timestamp, tagtype int) tags(dev nchar(50))")
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tdSql.execute(
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"CREATE TABLE if not exists db_test.dev_001 using db_test.st tags('dev_01')")
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print("==============step2")
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tdLog.info("alter table add column")
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tdSql.execute(
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"ALTER TABLE db_test.st add COLUMN tag_version nchar(20)")
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tdSql.query("describe db_test.st")
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tdSql.checkRows(4)
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print("==============step3")
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tdLog.info("alter table drop column")
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tdSql.execute("ALTER TABLE db_test.st drop COLUMN tag_version")
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tdSql.query("describe db_test.st")
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tdSql.checkRows(3)
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print("==============step4")
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tdLog.info("drop table")
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tdSql.execute("drop table db_test.st")
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tdSql.execute(
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"create table if not exists db_test.st(ts timestamp, tagtype int) tags(dev nchar(50))")
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tdSql.execute(
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"CREATE TABLE if not exists db_test.dev_001 using db_test.st tags('dev_01')")
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tdSql.execute(
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"INSERT INTO db_test.dev_001 VALUES ('2020-05-13 10:00:00.000', 1)")
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tdSql.query("select * from db_test.dev_001")
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tdSql.checkRows(1)
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print("==============step5")
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tdLog.info("alter table add column")
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tdSql.execute(
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"ALTER TABLE db_test.st add COLUMN tag_version nchar(20)")
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tdSql.query("describe db_test.st")
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tdSql.checkRows(4)
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tdSql.execute(
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"INSERT INTO db_test.dev_001 VALUES ('2020-05-13 10:00:00.010', 1, '1.2.1')")
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tdSql.query("select * from db_test.st")
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tdSql.checkRows(2)
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print("==============step6")
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tdLog.info("alter table drop column")
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tdSql.execute("ALTER TABLE db_test.st drop COLUMN tag_version")
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tdSql.query("describe db_test.st")
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tdSql.checkRows(3)
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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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