Re: DELETE using an outer join

Поиск
Список
Период
Сортировка
От Thomas Kellerer
Тема Re: DELETE using an outer join
Дата
Msg-id jubbqh$ekp$1@dough.gmane.org
обсуждение исходный текст
Ответ на Re: DELETE using an outer join  (Sergey Konoplev <gray.ru@gmail.com>)
Ответы Re: DELETE using an outer join  (Sergey Konoplev <sergey.konoplev@postgresql-consulting.com>)
Список pgsql-sql
Sergey Konoplev, 20.07.2012 10:21:
> On Thu, Jul 19, 2012 at 6:52 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Now I was wondering if a DELETE statement could be rewritten with the same "strategy":
>>
>> Not at the moment.  There have been discussions of allowing the same
>> table name to be respecified in USING, but there are complications.
>
> However it works.
>
> DELETE FROM some_table USING some_table AS s
> WHERE
>      some_table.col1 = s.col1 AND
>      some_table.col2 = s.col2 AND
>      some_table.id < s.id;
>
But that's not an outer join





В списке pgsql-sql по дате отправления:

Предыдущее
От: Sergey Konoplev
Дата:
Сообщение: Re: DELETE using an outer join
Следующее
От: Sergey Konoplev
Дата:
Сообщение: Re: DELETE using an outer join