Re: Simple function

On Wed, Dec 23, 2009 at 9:03 AM, Christine Penner
<christine@ingenioussoftware.com> wrote:
> Hi,
>
> I'm trying to create a simple function but having a bit of trouble. This is
> what I want to do.
>
> I want to pass a key as a parameter (BKEY integer)
> the code in the function should be
> count(*) from F_BUILDINGS where B_PRIMARY_SEQ=BKEY
>
> I want to return the count from the select statement.


It works for me:

postgres=# CREATE OR REPLACE FUNCTION countertest(integer) RETURNS
bigint AS $$ SELECT COUNT(*) FROM test WHERE nbr = $1; $$ LANGUAGE
SQL;
CREATE FUNCTION
postgres=# select countertest(24);
 countertest
-------------
           1
(1 row)


http://www.postgresql.org/docs/8.4/interactive/xfunc-sql.html


--
Regards,
Richard Broersma Jr.

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