Oracle-L: Re: Rolling sums (?)

From: Jack van Zanen <nlzanen1_at_EY.NL>
Date: Thu, 15 Aug 2002 07:03:29 -0800
Message-ID: <F001.004B6068.20020815070329@fatcity.com>

Didn't they come in with Oracle 8i?

I could not find anything analytical in the online documentation (than again couldn't find the 8.0.5 warehouse guide either)

I'm unfortunately on 8.0.5 for this one

Jack

                                                                                                                                       
                      Connor McDonald                                                                                                  
                      <hamcdc_at_yahoo.co.        To:       Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>                   
                      uk>                      cc:       (bcc: Jack van Zanen/nlzanen1/External/MEY/NL)                                
                      Sent by:                 Subject:  Re: Rolling sums (?)                                                          
                      root_at_fatcity.com                                                                                                 
                                                                                                                                       
                                                                                                                                       
                      15-08-2002 16:28                                                                                                 
                      Please respond to                                                                                                
                      ORACLE-L

Take a look at the windowing functions under 'ana;ytic functions' in the data warehouse guide...They are very very cool..

hth
connor

Jack van Zanen <nlzanen1_at_EY.NL> wrote: > Maybe having a bad hairday but following code will
> give me for every period
> number the sum of all work in progress for the
> period plus the previous 12
> periods. Basically it takes the period number from
> the current record and
> sums a column of that record with the previous 12
> periods.
>
> year period value
> 2000 1 1
> 2000 2 2
> 2000 3 3
> 2000 4 4
> 2000 5 5
> 2000 6 6
> 2000 7 7
> 2000 8 8
> 2000 9 9
> 2000 10 10
> 2000 11 11
> 2000 12 12
> 2001 1 13
> 2001 2 14
> 2001 3 15
>
> So for period 2001 1 I need the values 1 thru 13
> added together (91)
> Period 2001 2 needs to be the values 2 thru 14 added
> together (104)
> etc....
>
> As you maybe can imagine the explain plan for this
> baby is 4 full
> tablescans on quite large tables. (see below)
>
> My question is if somebody has a better solution to
> handle this query?????
>
> Oracle 8.0.5 !!!
> AIX 4.3.3
>
>
> SELECT V1.ENGAGEMENT
> , V1.YEAR
> , V1.PERIOD
> , MAX(V1.NET_FEE_EARNED_PTD)
> , MAX(V1.EXP_WIP_VAL_PTD)
> , SUM(V2.TIME_WIP_VAL)
> , MAX(V1.GNRL_WON)
> , MAX(V1.GNRL_WOFF)
> , MAX(V1.TIME_WOFF)
> , MAX(V1.WIP_PROV)
> , MAX(V1.EXP_WOFF)
> , MAX(V1.DB_WOFF)
> , MAX(V1.DB_PROV)
> FROM
> (
> select max(WSTAT.ENG_NUMB) AS ENGAGEMENT,
> max(WSTAT.FNANCL_YEAR) AS YEAR,
> max(WSTAT.PRD_NUMB) AS PERIOD,
> SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0))
> + SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0))
> - SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0))
> - SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD,
> 0))
> - SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0))
> - SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD,
> 0))
> - SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0))
> - SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0))
> NET_FEE_EARNED_PTD,
> SUM(NVL(WSTAT.EXP_WIP_VAL_PTD,0))
> EXP_WIP_VAL_PTD,
> SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0))
> TIME_WIP_VAL,
> SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0))
> GNRL_WON,
> SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0))
> GNRL_WOFF,
> SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD,
> 0)) TIME_WOFF,
> SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0))
> WIP_PROV,
> SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0))
> EXP_WOFF,
> SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0))
> DB_WOFF,
> SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0))
> DB_PROV
> FROM ENG_WIP_STATS WSTAT,
> ENG_DBTRS_STATS DSTAT
> WHERE WSTAT.ENG_NUMB(+)=DSTAT.ENG_NUMB
> AND WSTAT.FNANCL_YEAR=DSTAT.FNANCL_YEAR
> AND WSTAT.PRD_NUMB=DSTAT.PRD_NUMB
> GROUP BY WSTAT.ENG_NUMB,
> WSTAT.FNANCL_YEAR,
> WSTAT.PRD_NUMB
> ) v1,
> (
> select max(WSTAT.ENG_NUMB) AS ENGAGEMENT,
> max(WSTAT.FNANCL_YEAR) AS YEAR,
> max(WSTAT.PRD_NUMB) AS PERIOD,
> SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0))
> + SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0))
> - SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0))
> - SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD,
> 0))
> - SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0))
> - SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD,
> 0))
> - SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0))
> - SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0))
> NET_FEE_EARNED_PTD,
> SUM(NVL(WSTAT.EXP_WIP_VAL_PTD,0))
> EXP_WIP_VAL_PTD,
> SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0))
> TIME_WIP_VAL,
> SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0))
> GNRL_WON,
> SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0))
> GNRL_WOFF,
> SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD,
> 0)) TIME_WOFF,
> SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0))
> WIP_PROV,
> SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0))
> EXP_WOFF,
> SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0))
> DB_WOFF,
> SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0))
> DB_PROV
> FROM ENG_WIP_STATS WSTAT,
> ENG_DBTRS_STATS DSTAT
> WHERE WSTAT.ENG_NUMB(+)=DSTAT.ENG_NUMB
> AND WSTAT.FNANCL_YEAR=DSTAT.FNANCL_YEAR
> AND WSTAT.PRD_NUMB=DSTAT.PRD_NUMB
> GROUP BY WSTAT.ENG_NUMB,
> WSTAT.FNANCL_YEAR,
> WSTAT.PRD_NUMB
> ) V2
> WHERE v1.ENGAGEMENT=V2.ENGAGEMENT(+)
> AND TO_DATE(V2.YEAR(+)||V2.PERIOD(+),'YYYYMM') >=
> ADD_MONTHS(TO_DATE(V1.YEAR||V1.PERIOD,'YYYYMM'),-12)
> AND TO_DATE(V2.YEAR(+)||V2.PERIOD(+),'YYYYMM') <=
> TO_DATE(V1.YEAR||V1.PERIOD,'YYYYMM')
> GROUP BY V1.ENGAGEMENT
> , V1.YEAR
> , V1.PERIOD
>
>
>
> Explain plan:
>
> ID PID QUERY_PLAN
> ----- -----
>

> 0 SELECT STATEMENT Cost = 12531921
> 1 0 SORT GROUP BY Card=62754915
> 2 1 MERGE JOIN OUTER Card=62754915
> 3 2 SORT JOIN Card=1584360
> 4 3 VIEW Card=1584360
> 5 4 SORT GROUP BY Card=1584360
> 6 5 FILTER Card=
> 7 6 MERGE JOIN OUTER Card=
> 8 7 SORT JOIN Card=1354977
> 9 8 TABLE ACCESS FULL
> ENG_DBTRS_STATS
> Card=1354977
> 10 7 SORT JOIN Card=1956365
> 11 10 TABLE ACCESS FULL
> ENG_WIP_STATS Card=1956365
> 12 2 FILTER Card=
> 13 12 SORT JOIN Card=
> 14 13 VIEW Card=1584360
> 15 14 SORT GROUP BY Card=1584360
> 16 15 FILTER Card=
> 17 16 MERGE JOIN OUTER Card=
> 18 17 SORT JOIN
> Card=1354977
> 19 18 TABLE ACCESS FULL
> ENG_DBTRS_STATS
> Card=1354977
> 20 17 SORT JOIN
> Card=1956365
> 21 20 TABLE ACCESS FULL
> ENG_WIP_STATS
> Card=1956365
>
>
> THX
>
>

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>
>
>
>
>
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Jack van Zanen
> INET: nlzanen1_at_EY.NL
>
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===================================================================
De informatie verzonden in dit e-mailbericht is vertrouwelijk en is
uitsluitend bestemd voor de geadresseerde. Openbaarmaking,
vermenigvuldiging, verspreiding en/of verstrekking van deze informatie aan
derden is, behoudens voorafgaande schriftelijke toestemming van Ernst &
Young, niet toegestaan. Ernst & Young staat niet in voor de juiste en
volledige overbrenging van de inhoud van een verzonden e-mailbericht, noch
voor tijdige ontvangst daarvan. Ernst & Young kan niet garanderen dat een
verzonden e-mailbericht vrij is van virussen, noch dat e-mailberichten
worden overgebracht zonder inbreuk of tussenkomst van onbevoegde derden.

Indien bovenstaand e-mailbericht niet aan u is gericht, verzoeken wij u
vriendelijk doch dringend het e-mailbericht te retourneren aan de verzender
en het origineel en eventuele kopieën te verwijderen en te vernietigen.

Ernst & Young hanteert bij de uitoefening van haar werkzaamheden algemene
voorwaarden, waarin een beperking van aansprakelijkheid is opgenomen. De
algemene voorwaarden worden u op verzoek kosteloos toegezonden.
=====================================================================
The information contained in this communication is confidential and is
intended solely for the use of the individual or entity to whom it is
addressed. You should not copy, disclose or distribute this communication
without the authority of Ernst & Young. Ernst & Young is neither liable for
the proper and complete transmission of the information contained in this
communication nor for any delay in its receipt. Ernst & Young does not
guarantee that the integrity of this communication has been maintained nor
that the communication is free of viruses, interceptions or interference.

If you are not the intended recipient of this communication please return
the communication to the sender and delete and destroy all copies.

In carrying out its engagements, Ernst & Young applies general terms and
conditions, which contain a clause that limits its liability. A copy of
these terms and conditions is available on request free of charge.
===================================================================






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Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jack van Zanen
  INET: nlzanen1_at_EY.NL

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Received on Thu Aug 15 2002 - 10:03:29 CDT