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Re: Calculating product from rows - (aggregate product ) - Mailing list pgsql-general

From A. Kretschmer
Subject Re: Calculating product from rows - (aggregate product )
Date
Msg-id 20090504111046.GF5414@a-kretschmer.de
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In response to Re: Calculating product from rows - (aggregate product )  (Jasen Betts <jasen@xnet.co.nz>)
List pgsql-general
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In response to Jasen Betts :
> > Is there an already existing function that does this.
>
> here's one way to cheat: logarythms.
>
> select exp(sum(ln( thiscolumn ))) from foo;
>
>  :^)

nice ;-)


Andreas
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Andreas Kretschmer
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