on 06-14-2011 10:34 AM
Hi all! This code works fine, it returns proper average value for contragentid = 1. So, correct result is LUAHPER = 14996837,94
But when I add values for contragentid = 2 (see commented strings), my statement returns incorrect result LUAHPER = 5497801,81
How do I improve my code in order to calculate average for each contragentid?
with t as (
select to_date('12.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('14.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('15.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('16.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15274795.50 as luah, 215274795.50 as lusd from dual
union all
select to_date('17.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15431807.40 as luah, 215431807.40 as lusd from dual
union all
select to_date('18.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15480730.00 as luah, 215480730 as lusd from dual
union all
select to_date('21.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15480730.00 as luah, 215480730 as lusd from dual
/*union all
select to_date('12.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('14.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('15.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('16.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215274795.50 as luah, 215274795.50 as lusd from dual
union all
select to_date('17.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215431807.40 as luah, 215431807.40 as lusd from dual
union all
select to_date('18.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215480730 as luah, 215480730 as lusd from dual
union all
select to_date('21.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215480730 as luah, 215480730 as lusd from dual*/
)
select contragentid, sum(luahper) / cnt as luahper
from (
select contragentid, (lead(arcdate,1,date '2011-03-20' + 1) over(order by arcdate) - arcdate) * luah luahper,
date '2011-03-20' - date '2011-03-13' + 1 cnt
from (
select arcdate, contragentid, luah, lusd
from
t
where arcdate > date '2011-03-13'
and arcdate <= date '2011-03-20'
union all
select greatest(arcdate,date '2011-03-13'),
contragentid, luah, lusd
from
t
where arcdate = (select max(arcdate) from
t
where arcdate <= date '2011-03-13')
) )
where contragentid = 1
group by contragentid, cnt
My code works fine, help me insert in proper way
@prompt('b. begin date:','D',,Mono,Free,Persistent,,User:0)
@prompt('a. end date:','D',,Mono,Free,Persistent,,User:0)
instead of '2011-03-13', '2011-03-20'
with t as (
select to_date('12.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('14.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('15.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,14275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('16.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15274795.50 as luah, 215274795.50 as lusd from dual
union all
select to_date('17.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15431807.40 as luah, 215431807.40 as lusd from dual
union all
select to_date('18.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15480730.00 as luah, 215480730 as lusd from dual
union all
select to_date('21.03.2011','dd.mm.yyyy') as arcdate, 1 as contragentid,15480730.00 as luah, 215480730 as lusd from dual
union all
select to_date('12.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('14.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('15.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,214275303.54 as luah, 214275303.54 as lusd from dual
union all
select to_date('16.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215274795.50 as luah, 215274795.50 as lusd from dual
union all
select to_date('17.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215431807.40 as luah, 215431807.40 as lusd from dual
union all
select to_date('18.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215480730 as luah, 215480730 as lusd from dual
union all
select to_date('21.03.2011','dd.mm.yyyy') as arcdate, 2 as contragentid,215480730 as luah, 215480730 as lusd from dual
)
SELECT contragentid, SUM(luahper) / cnt AS luahper, SUM(lusdper) / cnt AS lusdper
FROM (SELECT contragentid
,(lead(arcdate, 1, DATE '2011-03-20' + 1) over(PARTITION BY contragentid ORDER BY arcdate) - arcdate) * luah luahper
,(lead(arcdate, 1, DATE '2011-03-20' + 1) over(PARTITION BY contragentid ORDER BY arcdate) - arcdate) * lusd lusdper
,DATE '2011-03-20' - DATE '2011-03-13' + 1 cnt
FROM (SELECT arcdate, contragentid, luah, lusd
FROM t
WHERE arcdate > DATE '2011-03-13'
AND arcdate <= DATE '2011-03-20'
UNION ALL
SELECT greatest(arcdate, DATE '2011-03-13')
,contragentid
,luah
,lusd
FROM t
WHERE arcdate = (SELECT MAX(arcdate) FROM t WHERE arcdate <= DATE '2011-03-13')
)
)
GROUP BY contragentid, cnt
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