Re: Very slow viewing of large table.
От | Dave Page |
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Тема | Re: Very slow viewing of large table. |
Дата | |
Msg-id | 03AF4E498C591348A42FC93DEA9661B84C5C19@mail.vale-housing.co.uk обсуждение исходный текст |
Ответ на | Very slow viewing of large table. (Constantin Stefanov <cstef@mail.ru>) |
Ответы |
Re: Very slow viewing of large table.
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Список | pgadmin-support |
> -----Original Message----- > From: Constantin Stefanov [mailto:cstef@mail.ru] > Sent: 22 October 2003 14:53 > To: pgadmin-support@postgresql.org > Subject: [pgadmin-support] Very slow viewing of large table. > > Hello. > > When in PgAdmin3 I click on a large table, it waits before > opening it. > As far as I could understand, it issues a row count on a > table. Is there way to stop this behaviour? > I found a letter about the same problem of February 2002, and > Dave Page wrote he was intending to do something about. > Am I searching in the wrong place or there is no capability > for cancelling count queries? Under File -> Options -> Query there is an option to control this behaviour, though unless you have a slow server, it should have a sensible value following install. From the helpfile: "Count rows if estimated less than" - In the object browser, if the estimated number of rows in a table (as read from the table statistics) is below this limit, a SELECT count(*) will be performed to find the exact value. Regards, Dave.
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