Re: SOLVED ... Re: Getting rid of a cursor from JDBC .... Re: [PERFORM] Re: HELP: How to tame the 8.3.x JDBC driver with a biq guery result set

On Tue, Apr 20, 2010 at 5:05 PM, Kris Jurka <books@ejurka.com> wrote:
> The reason this is not done is that the mechanism used for fetching a piece
> of the results at a time can change the query plan used if using a
> PreparedStatement.  There are three ways to plan a PreparedStatement:
>
> a) Using the exact parameter values by substituting them directly into the
> query.  This isn't really "planned" as you can't re-use it at all.  This is
> only available using the V2 protocol.
>
> b) Using the parameter values for statistics, but not making any stronger
> guarantees about them.  So the parameters will be used for evaluating the
> selectivity, but not to perform other optimizations like contraint_exclusion
> or transforming a LIKE operation to a range query. This is the default plan
> type the JDBC driver uses.

Hmm.  I didn't think this was possible.  How are you doing this?