Re: recursive view syntax

Поиск
Список
Период
Сортировка
От Stephen Frost
Тема Re: recursive view syntax
Дата
Msg-id 20130118150047.GB16126@tamriel.snowman.net
обсуждение исходный текст
Ответ на recursive view syntax  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: recursive view syntax  (Peter Eisentraut <peter_e@gmx.net>)
Список pgsql-hackers
* Peter Eisentraut (peter_e@gmx.net) wrote:
> I noticed we don't implement the recursive view syntax, even though it's
> part of the standard SQL feature set for recursive queries.  Here is a
> patch to add that.  It basically converts
>
> CREATE RECURSIVE VIEW name (columns) AS SELECT ...;
>
> to
>
> CREATE VIEW name AS WITH RECURSIVE name (columns) AS (SELECT ...) SELECT
> columns FROM name;

I've done another review of this patch and it looks pretty good to me.
My only complaint is that there isn't a single comment inside
makeRecursiveViewSelect().

One other thought is- I'm guessing this isn't going to work:

CREATE RECURSIVE VIEW name (columns) AS WITH ... SELECT ...;

Does the spec explicitly allow or disallow that?  Should we provide any
comments about it?
Thanks,
    Stephen

В списке pgsql-hackers по дате отправления:

Предыдущее
От: Robert Haas
Дата:
Сообщение: Re: Event Triggers: adding information
Следующее
От: Simon Riggs
Дата:
Сообщение: Re: Event Triggers: adding information