Re: setting up foreign keys

Поиск
Список
Период
Сортировка
От Stephan Szabo
Тема Re: setting up foreign keys
Дата
Msg-id 20060810113004.K52796@megazone.bigpanda.com
обсуждение исходный текст
Ответ на setting up foreign keys  (Sue Fitt <sue@inf.ed.ac.uk>)
Ответы Re: setting up foreign keys  (Sue Fitt <sue@inf.ed.ac.uk>)
Список pgsql-performance
On Thu, 10 Aug 2006, Sue Fitt wrote:

> Hi all,
>
> This is my first post to the performance list, I hope someone can help me.
>
> I'm setting up a table with 2 columns, both of which reference a column
> in another table:
>
> CREATE TABLE headwords_core_lexemes (
> core_id int REFERENCES headwords_core(core_id),
> lexeme_id int REFERENCES headwords_core(core_id),
> );
>
> Trouble is, it's taken 18 hours and counting!

What precisely is taking the time, the create table itself? The only thing
that the create should be waiting for as far as I know is a lock on
headwords_core to add the triggers.

В списке pgsql-performance по дате отправления:

Предыдущее
От: "Jim Nasby"
Дата:
Сообщение: Re: [BUGS] BUG #2567: High IOWAIT
Следующее
От: "contact1981"
Дата:
Сообщение: Migrating data from DB2 to SQL Server