Re: Argument type list

From: "Gustavo Tonini" <gustavotonini(at)gmail(dot)com>
To: "Erik Jones" <erik(at)myemma(dot)com>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general(at)postgresql(dot)org
Subject: Re: Argument type list
Date: 2007-08-23 20:24:14
Message-ID: 9c31dd0d0708231324u5e405cc5o4a2ca547ce3a123a@mail.gmail.com
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Ok. It works well, but my argument type must be varchar (because java
conversions in my application). Then I want to convert varchar in
format "{int, int, ...}" to an integer array. Is there a function that
converts varchar -> integer [] ? I tried with casts and got no
success.

Tanks,
Gustavo.

On 8/23/07, Erik Jones <erik(at)myemma(dot)com> wrote:
> On Aug 23, 2007, at 1:27 PM, Tom Lane wrote:
>
> > Erik Jones <erik(at)myemma(dot)com> writes:
> >> On Aug 23, 2007, at 11:56 AM, Gustavo Tonini wrote:
> >>> I want to create a function that receive a list argument and filter
> >>> data with IN operator. Example:
> >
> >> CREATE OR REPLACE FUNCTION public.ffoo(list sometype[]) RETURNS VOID
> >
> > this is right ...
> >
> >> execute 'select * from foo where foo_column::text in (' ||
> >> array_to_string(list, ',') || ');';
> >
> > this is pretty horrid. Use = ANY(array) instead of trying to
> > construct
> > an IN on the fly.
> >
> > select * from foo where foo_column = any(list)
>
> Yes, I always forget about using ANY. Thx.
>
> Erik Jones
>
> Software Developer | Emma(r)
> erik(at)myemma(dot)com
> 800.595.4401 or 615.292.5888
> 615.292.0777 (fax)
>
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>
>

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