Re: Function PostgreSQL 9.2

On 5 May 2016 at 16:56, drum(dot)lucas(at)gmail(dot)com <drum(dot)lucas(at)gmail(dot)com> wrote:

> CREATE OR REPLACE FUNCTION users_code_seq()
>> RETURNS "trigger" AS $$
>> BEGIN
>>
>> IF (TG_OP = 'INSERT') THEN
>> UPDATE public.company_seqs SET last_seq = (last_seq + 1) WHERE
>> company_id = NEW.company_id;
>>
>> ELSEIF NEW.code IS NULL THEN
>> SELECT last_seq INTO code FROM public.company_seqs WHERE
>> company_id = NEW.company_id ORDER BY last_seq DESC;
>>
>> END IF;
>>
>> RETURN NEW;
>>
>> END;
>> $$ LANGUAGE plpgsql;
>
>
> - The command above, does not insert the last_seq into users.code column.
> And I don't know why.
>
>
> If I comment the line: *ELSEIF NEW.code IS NULL THEN*, the data is
> inserted into the users.code column.
>
> But as the customer can add data into that column, I only insert the
> last_seq if he/she didn't insert anything.
>
> So I need that *ELSEIF NEW.code IS NULL THEN*.
>
> - What am I missing?
>
> Thanks
> Lucas
>

I got it.. it's working now.
Thanks