Re: Problems with big tables.
| От | Jose Miguel Madinaveitia Ramirez | 
|---|---|
| Тема | Re: Problems with big tables. | 
| Дата | |
| Msg-id | 411671BA.70806@servidor.unam.mx обсуждение исходный текст | 
| Ответ на | Re: Problems with big tables. (Oliver Jowett <oliver@opencloud.com>) | 
| Список | pgsql-jdbc | 
Thanks to all for the help. The problem is the autocommit status. I change the values to off and the program work well .. Oliver Jowett wrote: > Jose Miguel Madinaveitia Ramirez wrote: > >> Hi, I have a problem to obtain big tables (1 million records) with the >> jdbc driver. >> The out of memory error is throw by the executeQuery(). >> The fetchsize() function does not work.? > > > With the most current drivers, cursors will only be used to > incrementally fetch data when all of these conditions are true: > > - a positive fetchsize has been set via setFetchSize() > - autocommit is off > - the resultset type is TYPE_FORWARD_ONLY > - you are connecting to a 7.4 or above server > > -O > >
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