Re: [BUGS] Issue with passing NULL for function parameter

[Heikki Linnakangas]

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

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