queryGroupbySort.py

###################################################################
#           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


class TDTestCase:
    def init(self, conn, logSql):
        tdLog.debug("start to execute %s" % __file__)
        tdSql.init(conn.cursor(), logSql)

        self.ts = 1537146000000

    def run(self):
        tdSql.prepare()

        tdSql.execute("CREATE TABLE meters (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupId int)")
        tdSql.execute("CREATE TABLE D1001 USING meters TAGS ('Beijing.Chaoyang', 2)")
        tdSql.execute("CREATE TABLE D1002 USING meters TAGS ('Beijing.Chaoyang', 3)")
        tdSql.execute("INSERT INTO D1001 VALUES (1538548685000, 10.3, 219, 0.31) (1538548695000, 12.6, 218, 0.33) (1538548696800, 12.3, 221, 0.31)")
        tdSql.execute("INSERT INTO D1002 VALUES (1538548685001, 10.5, 220, 0.28)  (1538548696800, 12.3, 221, 0.31)")

        tdSql.query("SELECT SUM(current), AVG(voltage) FROM meters WHERE groupId > 1 INTERVAL(1s) GROUP BY location order by ts DESC")
        tdSql.checkRows(3)
        tdSql.checkData(0, 0, "2018-10-03 14:38:16")
        tdSql.checkData(1, 0, "2018-10-03 14:38:15")
        tdSql.checkData(2, 0, "2018-10-03 14:38:05")

        tdSql.query("SELECT SUM(current), AVG(voltage) FROM meters WHERE groupId > 1 INTERVAL(1s) GROUP BY location order by ts ASC")
        tdSql.checkRows(3)
        tdSql.checkData(0, 0, "2018-10-03 14:38:05")
        tdSql.checkData(1, 0, "2018-10-03 14:38:15")
        tdSql.checkData(2, 0, "2018-10-03 14:38:16")
        
    def stop(self):
        tdSql.close()
        tdLog.success("%s successfully executed" % __file__)


tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())