Como fazer para gerar um campo com a média ponderada?

Data de postagem: Jun 22, 2010 1:25:18 PM

includeOnce -1897036629 /* /products/INTEQengine/library/iquery/IQuery.ijs */

IQuery.from( -2008879000 /* Pedidos ou Provisões */ )

.column({field: "RECURSO" })

.column({avg: "UNITARIO", weight: "QUANTIDADE", alias: "MEDIA" })

.toSql()

SQL Gerado:

select PEDIDO1.RECURSO, case when sum(coalesce(PEDIDO1.QUANTIDADE, 0)) = 0 then 0 else sum(coalesce(PEDIDO1.UNITARIO, 0)*coalesce(PEDIDO1.QUANTIDADE, 0))/sum(coalesce(PEDIDO1.QUANTIDADE, 0)) end as MEDIA

from PEDIDO PEDIDO1

where (

PEDIDO1.CLASSE in (

-2008879000,-1899999820,-1899999819,-1899999818,-1899999817,-1899999814,-1899999812,-1899999754,

-1899999752,-1899999480,-1899999479,-1899999478,-1899999477,-1899999476,-1899999475,-1899999474,

-1899999473,-1899999472,-1899999471,-1899999470,-1899999469,-1899999468,-1899999467,-1899999466,

-1899999465,-1899999383,-1899999300,-1899999299,-1899999295,-1899999289,-1899999288,-1899999287,

-1899999286,-1899999285,-1899999278,-1899999274,-1899999273,-1899999272,-1899999271,-1899999269,

-1899999104,-1899999103,-1899998951,-1899998950,-1899998949,-1899998948,-1899998947,-1899998946,

-1899998945,-1899998944,-1899998943,-1899998942,-1899998941,-1899998940,-1899998939,-1899998925,

-1899998923,-1899998922,-1899998921,-1899998920,-1899998919,-1899998918,-1899998917,-1899998916,

-1899998915,-1899998914,-1899998913,-1899998912,-1899998901,-1899998382,-1898190299,-1898190298,

-1898190297,-1898190136,-1898187711,-1898187709,-1898187600,-1898187552,-1898187551,-1897054192,

-1897054190,-1897054189,-1897054188,-1897054187,-1897054186,-1897054185,-1897054184,-1897054183,

-1897054182,-1897054181,-1897054180,-1897054179,-1897054178,-1897053396,-1897053239,-1897053225,

-1897053120,-1897053119,-1897053118,-1897053117,-1897052491,-1897052280,-1897052279,-1897052278,

-1897052277,-1897052276,-1897052275,-1897052154,-1897050841,-1897048773,-1897048772,-1897048771,

-1897048743,-1897048742,-1897048700,-1897048154,-1897048153,-1897036337,-1896648405,-1896648404,

-1896648282,-1896648274,-1896648273,-1896648229,-1896648217,-1896648208,-1896648207,-1896648206,

-1896648197,-1896648195,-1896648194,-1896648193,-1896648190,-1896648103,-1896647767,-1896646976,

-1896646955,-1896646934,-1896646914,-1895947335,-1895947334,-1895947333,-1895946241,-1895836214,

-1894743941,-1894543798,-1894543796,-1894543717,-1894443036,-1894442985,-1894442619,1990,12682,

34011,34015,34017,34018,34131,34440,38715,38754,42351,65941,79382,162703,177781,183608,183609,

186447,188473,2025108,5320945,6024675,12060574,35337554,35337574,35915925,35915943,35915961,

35915979,35915997,36762192,36762211,37428549,37859429,38292040,38530826,40035178,40035242,

40509937,40671029,40671120,40671204,40673028))

group by PEDIDO1.RECURSO