Re: basics on User Defined Functions

Dennis Gearon wrote:
> Is this the correct way to return values in a record from a UDF in 7.4.+ ?
>
> Is it ok to modify the arguments as in 'arg_int'?
>
> -- return type should be RECORD
> --
> CREATE OR REPLACE FUNCTION test_function( int )
> RETURNS RECORD AS ' DECLARE
>
> arg_int ALIAS FOR $1;
>
> var_record_out record;
> var_message_out text;
>
> BEGIN
>
> var_message_out := ''This was successful'';
> arg_int := rg_int * 3;
>
> SELECT INTO var_record_out :arg_int AS intX3,
> :var_message_out AS message;
> RETURN var_record_out;
> END;
> ' LANGUAGE 'plpgsql';

Did you execute it ?

rg_int is not declared, may be is a typo for arg_int; however
you can not modify the argument function.

Is it an homework ?

Regards
Gaetano Mendola