Re: Resultset holdability

On 21-okt-05, at 23:02, Oliver Jowett wrote:

> Geert Bevin wrote:
>
>
>> I have a resultset that has many rows with bytea data.
>> It looks like me that when I iterate through the rows, the
>> previous  rows are only garbage collectable when the resultset is
>> closed, even  if I setup the statement like this:
>> statement.setFetchDirection(ResultSet.FETCH_FORWARD);
>> statement.setFetchSize(1);
>> Since it's bytea data, this fills up the memory very quickly. Any
>> thoughts on how to reduce this memory overhead and have the
>> resultset  discard any previously fetched data?

Btw, it definitely is the resultset, since instead of using it to
iterate through the results I tried doing it by running a prepared
statement for each row and obtaining the results like this. The
frontend logic remained the same and I have no memory problems
anymore, except that there are an awful lot of queries now :-(

> What driver version are you using?

I tried with both 8.0-313 JDBC 3 and 8.1dev-402 JDBC 3

> What server version are you using?

8.0.3

> Have you turned autocommit off?

No


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