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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