Subject Re: Another SQL headache with master/detail tables
Author majstoru
Hi Graeme,

It work now!

Thanks for help.

--- In firebird-support@yahoogroups.com, "Graeme Edwards" <g.edwards@
...> wrote:
>
> Is it because you have the wrong table name Detaim in the from
clause.
>
> Try removing the join at the end. I assume that Detaim is meant to
be detail
> anyway.
>
> Do you need the join between Master and Detail anyway? I assume that
every
> master
>
> record would have related detail records and that
>
>
>
> From Master M
>
>
>
> would be sufficient.
>
>
>
>
>
>
>
> >Hi,
>
> >I have a master/detail setup for invoices! It is a classic invoice
> >strusture where master table represent a header of invoice, and a
> >detail table represent items of master table!
> >So here is a sample of master:
> id no date customer
> 1 10 13.03.06 customerxzy
> 2 15 14.03.06 customerabc
> 3 20 15.03.06 customerxxx
> >and detail sample:
> id mid article qty price type
> 1 1 art123 1 100 X
> 2 1 art554 1 150 M
> 3 2 art123 2 100 X
> 4 3 art556 3 200 X
> 5 3 artfff 1 150 S
> >And here is a final structure that I must get with SQL statement:
> id no date customer col_a col_b col_c
> 1 10 13.03.06 customerxyz 100 150 0
> 2 15 14.03.06 customerabc 200 0 0
> 3 20 15.03.06 customerxxx 600 0 150
>
> >Like you can see, this resultset is contain id, no, date, customer
> >fields form master table and col_a -> sum(qty*price) where type = X
> >and col_b -> sum(qty*price) where type = M and col_c ->
sum(qty*price)
> >where type = S!
>
> >I try with:
> >SELECT M.Id, M.No, M.Date, M.Customer,
> > (SELECT SUM(D.Qty*D.Price) FROM Detail D WHERE D.Mid = M.Id AND D.
Type
> >= 'X') AS Col_a,
> > (SELECT SUM(D.Qty*D.Price) FROM Detail D WHERE D.Mid = M.Id AND D.
Type
> >= 'M') AS Col_b,
> > (SELECT SUM(D.Qty*D.Price) FROM Detail D WHERE D.Mid = M.Id AND D.
Type
> >= 'S') AS Col_c
> >FROM Master M, Detaim D
> >WHERE D.Mid = F.Id
>
> >BUT it is a wrong SQL statement, where im my error!
>
> >Thanks for help!
>
>
>
>
>
>
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