On Wed, 25 Jan 2006, Gilbert, Antoine wrote:
> I have a single PostGIS table in PostgreSQL
> This table has like 500000 records
> I use the JDBC driver to only send a quick query without browsing
> resultset and it take forever. For example:
>
> Statement stmt = connection.createStatement();
> ResultSet rs =stmt.executeQuery("select street from \"QCs_polyline\"");
> stmt.close();
>
> This takes 19 sec. Does I am missing something like a configuration on
> the driver? So far I was just testing PostGIS/PostgreSQL with tiny
> tables.
>
By default the JDBC driver will fetch the entire ResultSet before the
executeQuery call returns. If you don't want this behavior set the
fetchsize appropriately. See the following for more information:
http://jdbc.postgresql.org/documentation/81/query.html#query-with-cursor
Kris Jurka