Re: Cursors for PGJDBC queries

From: Luca Ferrari <fluca1978(at)gmail(dot)com>
To: Rashmi V Bharadwaj <rvbharad(at)in(dot)ibm(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Cursors for PGJDBC queries
Date: 2019-08-01 07:30:29
Message-ID: CAKoxK+5fCmP4zgAxwqwpg9W_Se4OZ8crfRxzpkEeCZ3QeVo9gQ@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Thu, Aug 1, 2019 at 9:10 AM Rashmi V Bharadwaj <rvbharad(at)in(dot)ibm(dot)com> wrote:
> I am trying to set the fetch size for my ResultSet to avoid Out of Memory exception. I have created the Statement with ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY and ResultSet.HOLD_CURSORS_OVER_COMMIT and I've also disabled auto commit as mentioned in the link Getting results based on a cursor. I am still getting Out of memory error. My SQL query is a simple SELECT statement to retrieve all the rows from a table. According to https://postgrespro.com/list/thread-id/2370772, the holdability must be CLOSE_CURSORS_AT_COMMIT. Could you please confirm this is a requirement?

Hard to say without more information. Could it be something you need
to set on the jvm like
However, you should post on the JDBC mailing list
<https://www.postgresql.org/list/pgsql-jdbc/>.

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Luca Ferrari 2019-08-01 07:32:00 Re: Cursors for PGJDBC queries
Previous Message Rashmi V Bharadwaj 2019-08-01 07:10:10 Cursors for PGJDBC queries