Re: [despammed] Balance Calculation - Mailing list pgsql-sql

From LAMBEAU Bernard
Subject Re: [despammed] Balance Calculation
Date
Msg-id 42d8505e0505220203bd3cb94@mail.gmail.com
Whole thread Raw
In response to Re: [despammed] Balance Calculation  (Andreas Kretschmer <akretschmer@despammed.com>)
List pgsql-sql
Do you tried to create an index on the account column ?

I think it may help.

Regards

-------------------------------------------------------------------------------------
Bernard LAMBEAU
Département d'Ingénierie Informatique
Université Catholique de Louvain-La-Neuve (Belgium)

On 5/22/05, Andreas Kretschmer <akretschmer@despammed.com> wrote:
> am  22.05.2005, um 10:17:53 +0200 mailte Andreas Kretschmer folgendes:
> > > can you help me how to fix them.
> > > Can I using function to fix them (how?)
> >
> > It is possible to create a extra table for the balance and a trigger for
> > insert/update that calculates the balance for the transactions-table?
> >
> >
> > I think, this should solve your perfomance-problem.
>
> Sorry, this is not the solution for your problem, because this provide
> only the actual balance for a single account, but not the history.
>
> Mmh...
>
> A extra table with the oid and the balance for every row in
> transactions. Then you can do a index scan, but you need also a trigger
> that insert every transaction in this table and calculate the balance.
>
>
>
>
> Regards
> --
> Andreas Kretschmer    (Kontakt: siehe Header)
> Heynitz:  035242/47212,      D1: 0160/7141639
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