82 lines
3.0 KiB
Python
82 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, 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 os
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import taos
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import time
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class taosdemoQueryPerformace:
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def initConnection(self):
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self.host = "127.0.0.1"
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self.user = "root"
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self.password = "taosdata"
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self.config = "/etc/taos"
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self.conn = taos.connect(
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self.host,
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self.user,
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self.password,
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self.config)
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def query(self):
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cursor = self.conn.cursor()
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cursor.execute("use test")
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select count(*) from test.meters")
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totalTime += time.time() - startTime
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print("query time for: select count(*) from test.meters %f seconds" % (totalTime / 100))
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select avg(f1), max(f2), min(f3) from test.meters")
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totalTime += time.time() - startTime
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print("query time for: select avg(f1), max(f2), min(f3) from test.meters %f seconds" % (totalTime / 100))
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select count(*) from test.meters where loc='beijing'")
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totalTime += time.time() - startTime
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print("query time for: select count(*) from test.meters where loc='beijing' %f seconds" % (totalTime / 100))
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select avg(f1), max(f2), min(f3) from test.meters where areaid=10")
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totalTime += time.time() - startTime
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print("query time for: select avg(f1), max(f2), min(f3) from test.meters where areaid=10 %f seconds" % (totalTime / 100))
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select avg(f1), max(f2), min(f3) from test.t10 interval(10s)")
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totalTime += time.time() - startTime
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print("query time for: select avg(f1), max(f2), min(f3) from test.t10 interval(10s) %f seconds" % (totalTime / 100))
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totalTime = 0
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for i in range(100):
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startTime = time.time()
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cursor.execute("select last_row(*) from meters")
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totalTime += time.time() - startTime
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print("query time for: select last_row(*) from meters %f seconds" % (totalTime / 100))
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if __name__ == '__main__':
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perftest = taosdemoQueryPerformace()
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perftest.initConnection()
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perftest.query() |