Re: SELECT very slow

On 09.06.2005 02:06 Tom Lane wrote:

> Thomas Kellerer <spam_eater(at)gmx(dot)net> writes:
>
>>Is there anything I can do, to convince PG to return the first row more
>>quickly?
>
>
> libpq's API for PQresult is such that it really doesn't have any choice
> but to collect the full result set before it hands you back the
> PQresult. I don't know JDBC very well but I think it has similar
> semantic constraints.
>
> The solution is to use a cursor and FETCH a reasonably small number of
> rows at a time.
>

My understanding was that setting the fetchSize() to 1 in JDBC would force the
use of a cursor.

I'll have to go through the JDBC docs again to check how I can enforce this.

Thanks for the answer though
Thomas