distinctOneColTb.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 *
from util.cases import *
from util.sql import *


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

    def tb_all_query(self, num, sql="tb_all", where=""):
        tdSql.query(
            f"select distinct ts2 from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cint from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cbigint from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct csmallint from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct ctinyint from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cfloat from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cdouble from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cbool from {sql} {where}")
        if num < 2:
            tdSql.checkRows(num)
        else:
            tdSql.checkRows(2)
        tdSql.query(
            f"select distinct cbinary from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cnchar from {sql} {where}")
        tdSql.checkRows(num)

        tdSql.query(
            f"select distinct ts2 as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cint as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cbigint as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct csmallint as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct ctinyint as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cfloat as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cdouble  as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cbool as a from {sql} {where}")
        if num < 2:
            tdSql.checkRows(num)
        else:
            tdSql.checkRows(2)
        tdSql.query(
            f"select distinct cbinary as a from {sql} {where}")
        tdSql.checkRows(num)
        tdSql.query(
            f"select distinct cnchar as a from {sql} {where}")
        tdSql.checkRows(num)


    def tb_all_query_sub(self, num, sql="tb_all", where="",colName = "c1"):
        tdSql.query(
            f"select distinct {colName} from {sql} {where}")
        tdSql.checkRows(num)
    
    def errorCheck(self, sql='tb_all'):
        tdSql.error(f"select distinct from {sql}")
        tdSql.error(f"distinct ts2 from {sql}")     
        tdSql.error(f"distinct c1 from")
        tdSql.error(f"select distinct ts2, avg(cint) from {sql}")

        ## the following line is going to core dump 
        #tdSql.error(f"select avg(cint), distinct ts2  from {sql}")

        tdSql.error(f"select distinct ts2 from {sql} group by cint")
        tdSql.error(f"select distinct ts2 from {sql} interval(1s)")
        tdSql.error(f"select distinct ts2 from {sql} slimit 1 soffset 1")
        tdSql.error(f"select distinct ts2 from {sql} slimit 1")

        ##order by is not supported but not being prohibited
        #tdSql.error(f"select distinct ts2 from {sql} order by desc")
        #tdSql.error(f"select distinct ts2 from {sql} order by asc")

        ##distinct should not use on first ts, but it can be applied
        #tdSql.error(f"select distinct ts from {sql}")

        ##distinct should not be used in inner query, but error did not occur
        # tdSql.error(f"select distinct ts2 from (select distinct ts2 from {sql})")


    def query_all_tb(self, whereNum=0,inNum=0,maxNum=0,tbName="tb_all"):
        self.tb_all_query(maxNum,sql=tbName)

        self.tb_all_query(num=whereNum,where="where ts2 = '2021-08-06 18:01:50.550'",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cint = 1073741820",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cbigint = 1125899906842620",sql=tbName)
        self.tb_all_query(num=whereNum,where="where csmallint = 150",sql=tbName)
        self.tb_all_query(num=whereNum,where="where ctinyint = 10",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cfloat = 0.10",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cdouble = 0.130",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cbool = true",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cbinary = 'adc1'",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cnchar = '双精度浮'",sql=tbName)
        self.tb_all_query(num=inNum,where="where ts2 in ( '2021-08-06 18:01:50.550' , '2021-08-06 18:01:50.551' )",sql=tbName)
        self.tb_all_query(num=inNum,where="where cint in (1073741820,1073741821)",sql=tbName)
        self.tb_all_query(num=inNum,where="where cbigint in (1125899906842620,1125899906842621)",sql=tbName)
        self.tb_all_query(num=inNum,where="where csmallint in (150,151)",sql=tbName)
        self.tb_all_query(num=inNum,where="where ctinyint in (10,11)",sql=tbName)
        self.tb_all_query(num=inNum,where="where cfloat in (0.10,0.11)",sql=tbName)
        self.tb_all_query(num=inNum,where="where cdouble in (0.130,0.131)",sql=tbName)
        self.tb_all_query(num=inNum,where="where cbinary in ('adc0','adc1')",sql=tbName)
        self.tb_all_query(num=inNum,where="where cnchar in ('双','双精度浮')",sql=tbName)
        self.tb_all_query(num=inNum,where="where cbool in (0, 1)",sql=tbName)
        self.tb_all_query(num=whereNum,where="where cnchar like '双__浮'",sql=tbName)
        self.tb_all_query(num=maxNum,where="where cnchar like '双%'",sql=tbName)
        self.tb_all_query(num=maxNum,where="where cbinary like 'adc_'",sql=tbName)
        self.tb_all_query(num=maxNum,where="where cbinary like 'a%'",sql=tbName)
        self.tb_all_query(num=whereNum,where="limit 1",sql=tbName)
        self.tb_all_query(num=whereNum,where="limit 1 offset 1",sql=tbName)

        #subquery
        self.tb_all_query(num=maxNum,sql=f'(select * from {tbName})')

        #subquery with where in outer query
        self.tb_all_query(num=whereNum,where="where ts2 = '2021-08-06 18:01:50.550'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cint = 1073741820",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cbigint = 1125899906842620",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where csmallint = 150",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where ctinyint = 10",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cfloat = 0.10",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cdouble = 0.130",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cbool = true",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cbinary = 'adc1'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cnchar = '双精度浮'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where ts2 in ( '2021-08-06 18:01:50.550' , '2021-08-06 18:01:50.551' )",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cint in (1073741820,1073741821)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cbigint in (1125899906842620,1125899906842621)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where csmallint in (150,151)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where ctinyint in (10,11)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cfloat in (0.10,0.11)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cdouble in (0.130,0.131)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cbinary in ('adc0','adc1')",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cnchar in ('双','双精度浮')",sql=f'(select * from {tbName})')
        self.tb_all_query(num=inNum,where="where cbool in (0, 1)",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="where cnchar like '双__浮'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=maxNum,where="where cnchar like '双%'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=maxNum,where="where cbinary like 'adc_'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=maxNum,where="where cbinary like 'a%'",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="limit 1",sql=f'(select * from {tbName})')
        self.tb_all_query(num=whereNum,where="limit 1 offset 1",sql=f'(select * from {tbName})')
        #table query with inner query has error
        tdSql.error('select distinct ts2 from (select )')
        #table query with error option
        self.errorCheck()


    def run(self):
        tdSql.prepare()

        tdLog.notice(
            "==============phase1 distinct col1 with no values==========")
        tdSql.execute("create stable if not exists stb_all (ts timestamp, ts2 timestamp, cint int, cbigint bigint, csmallint smallint, ctinyint tinyint,cfloat float, cdouble double, cbool bool, cbinary binary(32), cnchar nchar(32)) tags(tint int)")    
        tdSql.execute(
            "create table if not exists tb_all using stb_all tags(1)")
        self.query_all_tb()

        tdLog.notice(
            "==============phase1 finished ==========\n\n\n")

        tdLog.notice(
            "==============phase2 distinct col1 all values are null==========")
        tdSql.execute(
            "insert into tb_all values(now,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL)")
        tdSql.execute(
            "insert into tb_all values(now,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL)")
        tdSql.execute(
            "insert into tb_all values(now,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL)")

        # normal query
        self.query_all_tb()

        tdLog.notice(
            "==============phase2 finished ==========\n\n\n")


        tdLog.notice(
            "==============phase3 distinct with distinct values ==========\n\n\n")
        tdSql.execute(
            "insert into tb_all values(now+1s,'2021-08-06 18:01:50.550',1073741820,1125899906842620,150,10,0.10,0.130, true,'adc0','双')")
        tdSql.execute(
            "insert into tb_all values(now+2s,'2021-08-06 18:01:50.551',1073741821,1125899906842621,151,11,0.11,0.131,false,'adc1','双精度浮')")
        tdSql.execute(
            "insert into tb_all values(now+3s,'2021-08-06 18:01:50.552',1073741822,1125899906842622,152,12,0.12,0.132,NULL,'adc2','双精度')")
        tdSql.execute(
            "insert into tb_all values(now+4s,'2021-08-06 18:01:50.553',1073741823,1125899906842623,153,13,0.13,0.133,NULL,'adc3','双精')")
        tdSql.execute(
            "insert into tb_all values(now+5s,'2021-08-06 18:01:50.554',1073741824,1125899906842624,154,14,0.14,0.134,NULL,'adc4','双精度浮点型')")

        # normal query
        self.query_all_tb(maxNum=5,inNum=2,whereNum=1)

        tdLog.notice(
            "==============phase3 finishes ==========\n\n\n")

        tdLog.notice(
            "==============phase4 distinct with some values the same values ==========\n\n\n")
        tdSql.execute(
            "insert into tb_all values(now+10s,'2021-08-06 18:01:50.550',1073741820,1125899906842620,150,10,0.10,0.130, true,'adc0','双')")
        tdSql.execute(
            "insert into tb_all values(now+20s,'2021-08-06 18:01:50.551',1073741821,1125899906842621,151,11,0.11,0.131,false,'adc1','双精度浮')")
        tdSql.execute(
            "insert into tb_all values(now+30s,'2021-08-06 18:01:50.552',1073741822,1125899906842622,152,12,0.12,0.132,NULL,'adc2','双精度')")
        tdSql.execute(
            "insert into tb_all values(now+40s,'2021-08-06 18:01:50.553',1073741823,1125899906842623,153,13,0.13,0.133,NULL,'adc3','双精')")
        tdSql.execute(
            "insert into tb_all values(now+50s,'2021-08-06 18:01:50.554',1073741824,1125899906842624,154,14,0.14,0.134,NULL,'adc4','双精度浮点型')")
        # normal query
        self.query_all_tb(maxNum=5,inNum=2,whereNum=1)

        tdLog.notice(
            "==============phase4 finishes ==========\n\n\n")


    def stop(self):
        tdSql.close()
        tdLog.success("%s successfully executed" % __file__)


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