Re: Argument type list

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От Erik Jones
Тема Re: Argument type list
Дата
Msg-id A5002FF7-C9CB-4F52-BC78-60506D8B31F1@myemma.com
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Ответ на Re: Argument type list  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Argument type list
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On Aug 23, 2007, at 1:27 PM, Tom Lane wrote:

> Erik Jones <erik@myemma.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®
erik@myemma.com
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