Hi Robin,
Thanks for your reply. Hope this will help us but still looking into
performance wise too....if no other option then have to go by this.
Dti
On Sat, Jun 29, 2013 at 12:03 AM, Robin Morris <r...@baynote.com> wrote:
> Split up the query – put results of the subquery into a table, run the
> final query on that, then drop the temporary table.
>
> Robin
>
> From: dyuti a <hadoop.hiv...@gmail.com>
> Reply-To: "user@hive.apache.org" <user@hive.apache.org>
> Date: Friday, June 28, 2013 10:54 AM
> To: "user@hive.apache.org" <user@hive.apache.org>, Michael Malak <
> michaelma...@yahoo.com>
> Subject: Re: Fwd: Need urgent help in hive query
>
> Hi Michael,
> Thanks for your help, is there any other possible options apart from this.
>
>
> On Fri, Jun 28, 2013 at 10:33 PM, Michael Malak <michaelma...@yahoo.com>wrote:
>
>> Just copy and paste the whole long expressions to their second
>> occurrences.
>>
>> ------------------------------
>> *From:* dyuti a <hadoop.hiv...@gmail.com>
>> *To:* user@hive.apache.org
>> *Sent:* Friday, June 28, 2013 10:58 AM
>> *Subject:* Fwd: Need urgent help in hive query
>>
>> Hi Experts,
>> I'm trying with the below SQL query in Hive, which does not support
>> column alias access in subsequent columns as shown below in the query. Is
>> there any other way to rewrite the same without using alias? any of your
>> help are really appreciated.
>>
>> INSERT INTO CAUD
>> (
>> pst_cc
>> pst_no
>> pst_ber
>> pst_tkn
>> pst_dtm
>> pst_nbr
>> pst_cde
>> pst_dte
>> )
>> SELECT der.cc
>> der.no
>> der.ber
>> der.tkn
>> der.dtm
>> der.nbr
>> der.cde
>> der.dte
>>
>> FROM (SELECT udp.cc
>> udp.no
>> udp.ber
>> udp.tkn
>> ,CASE WHEN udp.SYSTEM_DTE>16000000 AND udp.SYSTEM_DTE<100000000 THEN
>> udp.SYSTEM_DTE
>> WHEN udp.DTE_OUT>16000000 AND udp.DTE_OUT<100000000 THEN
>> udp.DTE_OUT
>> WHEN udp.DTE_IN>16000000 AND udp.DTE_IN<100000000 THEN
>> udp.DTE_IN
>> ELSE '1231'
>> END AS DTE_OUT
>> ,CASE WHEN udp.TME_OUT <> 0 THEN udp.TME_OUT
>> WHEN udp.TME_IN <> 0 THEN udp.TME_IN
>> ELSE 0
>> END AS TME_OUT
>> ,TRIM(CAST(TME_OUT AS CHAR(6))) AS TME_OUT1
>> ,CAST(CAST(SUBSTR(TRIM(DTE_OUT),1,8) AS CHAR(8)) AS DATE FORMAT
>> 'yyyymmdd') AS DTE_OUT_O
>> ,CASE WHEN TME_OUT>99999 THEN CAST(TME_OUT1 AS CHAR(6))
>> WHEN TME_OUT>9999 AND TME_OUT<=99999 THEN CAST('0'||TME_OUT1
>> AS CHAR(6))
>> WHEN TME_OUT>999 AND TME_OUT<=9999 THEN CAST('00'||TME_OUT1
>> AS CHAR(6))
>> WHEN TME_OUT>99 AND TME_OUT<=999 THEN CAST('000'||TME_OUT1 AS
>> CHAR(6))
>> WHEN TME_OUT>9 AND TME_OUT<=99 THEN CAST('0000'||TME_OUT1 AS
>> CHAR(6))
>> WHEN TME_OUT>0 AND TME_OUT<=9 THEN CAST('00000'||TME_OUT1 AS
>> CHAR(6))
>> WHEN TME_OUT=0 THEN '000000'
>> END AS TME_OUT2
>>
>> ,SUBSTR(TRIM(TME_OUT2),1,2)||':'||SUBSTR(TRIM(TME_OUT2),3,2)||':'||SUBSTR(TRIM(TME_OUT2),5,2)
>> AS
>> TME_OUT_O
>> , CAST( DTE_OUT_O||' '||TME_OUT_O AS TIMESTAMP FORMAT
>> 'YYYYMMDD:HH: MI:SS') AS DTM
>> ,udp.nbr AS nbr
>>
>> FROM STS_GNCAUDP udp
>>
>> INNER JOIN LOAD_LOG LZ_LL ON udp.LOG_KEY=LZ_LL.LOG_KEY
>> INNER JOIN ESA_LOAD_LOG ESA_LL ON
>> LZ_LL.ESA_LOAD_LOG_KEY=ESA_LL.LOG_KEY
>> AND ESA_LL.PBLSH_IND='$PBLSH_IND'
>> AND ESA_LL.LOAD_END_DTM ='$HIGH_DATE_TIME'
>> AND ESA_LL.SOR_CD= '$CLM_SOR_CD'
>> AND ESA_LL.SUBJ_AREA_NM= '$SUBJ_AREA_NM'
>> AND ESA_LL.WORK_FLOW_NM= '$WORK_FLOW_NM'
>> QUALIFY ROW_NUMBER() OVER (PARTITION BY udp.cc,udp.pst_no,
>> udp.cde,udp.nbr,udp.dte,udp.LOG_KEY
>> ORDER BY DTM DESC)=1) AS der
>> ;
>>
>>
>>
>> Thanks in advance!
>> Dti
>>
>>
>>
>>
>>
>
