Re: NullPointerException when calling ResultSet.absolute(int)
| От | Oliver Jowett |
|---|---|
| Тема | Re: NullPointerException when calling ResultSet.absolute(int) |
| Дата | |
| Msg-id | 43138AFC.20305@opencloud.com обсуждение исходный текст |
| Ответ на | Re: NullPointerException when calling ResultSet.absolute(int) (Clemens Eisserer <linuxhippy@gmail.com>) |
| Ответы |
Re: NullPointerException when calling ResultSet.absolute(int)
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| Список | pgsql-jdbc |
Clemens Eisserer wrote: > Hello Oliver and thanks a lot for answering, > > >>Either you can use two queries, or use a scrollable ResultSet and call >>ResultSet.last() / ResultSet.getRow(). The second approach causes the >>entire ResultSet to be loaded into the Java heap, though, so it's not so >>good for large results. > > Currently I use the last()/getRow approach but as you confirmed this > approach does exactly what I don't want - to transfer the whole > selection between server and client. > Isn't there a workarround for this, maybe setting the fetch-size > (default set to 0)? Not with the current driver -- using a scrollable resultset disables use of cursors, so the fetchsize is ignored. -O
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