82 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.5 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 taos
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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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import numpy as np
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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())
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        self.rowNum = 10
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        self.ts = 1537146000000
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    def run(self):
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        tdSql.execute("use db")
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        intData = []        
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        floatData = []
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        for i in range(self.rowNum):
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            intData.append(i + 1)            
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            floatData.append(i + 0.1)                        
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        # stddev verifacation 
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        tdSql.error("select stddev(ts) from test1")
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        tdSql.error("select stddev(col7) from test1")
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        tdSql.error("select stddev(col8) from test1")
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        tdSql.error("select stddev(col9) from test1")
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        tdSql.query("select stddev(col1) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col2) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col3) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col4) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col11) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col12) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col13) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col14) from test1")
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        tdSql.checkData(0, 0, np.std(intData))
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        tdSql.query("select stddev(col5) from test1")
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        tdSql.checkData(0, 0, np.std(floatData))
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        tdSql.query("select stddev(col6) from test1")
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        tdSql.checkData(0, 0, np.std(floatData))
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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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