Re: Forcing use of cursor for large result sets
От
Kris Jurka
Тема
Re: Forcing use of cursor for large result sets
Дата
Msg-id
Pine.BSO.4.56.0406070248120.29634@leary.csoft.net
Ответ на
Forcing use of cursor for large result sets (Brian G. Huber)
Список
Дерево обсуждения
Forcing use of cursor for large result sets "Brian G. Huber" <brianghuber@yahoo.com>
Re: Forcing use of cursor for large result sets Kris Jurka <books@ejurka.com>
On Sun, 6 Jun 2004, Brian G. Huber wrote: > Hello all - > > I am attempting to force the use of a cursor for a resultset. I have > tried both forward-only and scrollable statements and am setting fetch > size to 100 with a call to setFechSize(100) on the statement. However, > I do not think a cursor is being used because the entire result set is > trying to cache, resulting in an outofMemoryError. I am using > pg74.213.jdbc3.jar with 7.4.2. > Two additional restrictions in the current driver are that you must be in a transaction by setting setAutoCommit(false) and that the query in question be a single sql statement. The single statement test is a bit naive, so a semi-colon in the query string will make it think it is a multi-statement query. Kris Jurka
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