Re: Bulk processing & deletion

Поиск
Список
Период
Сортировка
От pasman pasmański
Тема Re: Bulk processing & deletion
Дата
Msg-id CAOWY8=Y=j9Zypq=GHaUjZBXknVY+yc9kBEH2swb8ZHMr9wcBHg@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Bulk processing & deletion  (Ivan Voras <ivoras@freebsd.org>)
Список pgsql-general
Unlogged tables can't be temporary.

2011/10/13, Ivan Voras <ivoras@freebsd.org>:
> On 13/10/2011 14:34, Alban Hertroys wrote:
>
>>> Any other ideas?
>>
>> CREATE TABLE to_delete (
>>   job_created timestamp NOT NULL DEFAULT now(),
>>   fk_id int NOT NULL
>> );
>>
>> -- Mark for deletion
>> INSERT INTO to_delete (fk_id) SELECT id FROM table WHERE condition = true;
>>
>> -- Process in app
>> SELECT table.* FROM table INNER JOIN to_delete ON (table.id =
>> to_delete.fk_id);
>>
>> -- Delete them
>> DELETE FROM table WHERE id IN (SELECT fk_id FROM to_delete);
>
> Good point. I can even use a temp table for this and make use of
> UNLOGGED temp tables when we upgrade to 9.1!
>
>
>


--
------------
pasman

В списке pgsql-general по дате отправления:

Предыдущее
От: Scott Marlowe
Дата:
Сообщение: Re: Tablespace files deleted during continuous run
Следующее
От: Alexander Farber
Дата:
Сообщение: Re: function "XXX" already exists with same argument types