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

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
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Andreas Kretschmer    (Kontakt: siehe Header)
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