Re: Issue with passing NULL for function parameter

On 03.11.2011 13:32, Archana Sachin Ghag wrote:
> I have wriiten following simple function in postgresql
>
> CREATE OR REPLACE FUNCTION "MySchema".add_user(p_name character varying, p_email1 character varying, p_email2 character varying)
> RETURNS bigint AS
> $BODY$
> DECLARE
> userId bigint;
> BEGIN
> INSERT INTO "MySchema"."User"("Name" ,"EMail1" , "EMail2")
> VALUES ($1 , $2, $3) ;
>
> Select CURRVAL('"MySchema".user_seq_userid') into userId;
>
> return userid;
> END;
> $BODY$
> LANGUAGE plpgsql VOLATILE STRICT
>
> Function works absoolutely fine if I provide values for all three parameters. Record gets inserted too.
>
> But if I pass NULL for say last parameter, using SELECT "MySchema".add_user('A' , 'A', NULL)
> function does not do anything and return zero.

Yeah. That's what STRICT means.

http://www.postgresql.org/docs/9.1/static/sql-createfunction.html

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com