Re: v11: RETURN syntax for procedure

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: v11: RETURN syntax for procedure
Дата
Msg-id 20181014010157.GB25796@momjian.us
обсуждение исходный текст
Ответ на v11: RETURN syntax for procedure  (fn ln <emuser20140816@gmail.com>)
Список pgsql-docs
On Wed, Oct 10, 2018 at 10:14:23PM +0900, fn ln wrote:
> Hello.
> 
> I've found this on the docs:
> https://www.postgresql.org/docs/devel/static/plpgsql-control-structures.html#
> PLPGSQL-STATEMENTS-RETURNING-PROCEDURE
> > If a RETURN statement is desired to exit the code early, then NULL must be
> returned.
> 
> But isn't actual syntax just RETURN without an expression?

I think you might be right:

    CREATE OR REPLACE PROCEDURE triple()
    LANGUAGE plpgsql
    AS $$
    BEGIN
            RETURN NULL;
    END;
    $$;
    ERROR:  RETURN cannot have a parameter in a procedure
-->    LINE 5:         RETURN NULL;
                           ^

    CREATE OR REPLACE PROCEDURE triple()
    LANGUAGE plpgsql
    AS $$
    BEGIN
            RETURN;
    END;
    $$;

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +


В списке pgsql-docs по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: Creating Certificates
Следующее
От: Dean Rasheed
Дата:
Сообщение: Re: Proposed HTML Documentation Styles