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Re: can i use a string in where clause such as "id in (str)"

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am  12.06.2006, um  0:05:07 +0300 mailte Yavuz Kavus folgendes:
> hi every body.
> i have  a pl/pgsql function (i want to form it to run correctly) :
> 
> CREATE OR REPLACE FUNCTION "public"."ftest" () RETURNS boolean AS
> $body$
> declare
>        f boolean;
>        str varchar(100);
> begin
>      str := '1,5,10';
>      if exists(    select 1 from tb_categories where cat_id in ( str )    )
> ...
> 
> how can i achive this, are there any solutions?

Please read our documentation about executing dynamic querys:
http://www.postgresql.org/docs/8.1/interactive/plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN

Hint: you should build a string with your complete SQL command and
EXECUTE this string.


HTH, Andreas
-- 
Andreas Kretschmer    (Kontakt: siehe Header)
Heynitz:  035242/47215,      D1: 0160/7141639
GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net
 ===    Schollglas Unternehmensgruppe    === 


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