Re: setUseServerPrepare & typecasts

Scott,

That makes sense because null takes a different code path than a real
value. Thanks for the test case. I will look into this.

--Barry

Scott Lamb wrote:
> Barry Lind wrote:
>
>> Scott,
>>
>> If you use ps.setInt(1,42) does it work? I want to isolate the
>> problem. In just looking at the code, it seems that the setInt() and
>> setObject() methods do the same thing.
>
>
> Ahh, I'm sorry. setObject(1, new Object(42), Types.INTEGER) doesn't do
> it after all. I translated inappropriately when I was writing the email.
> setObject(1, null, Types.INTEGER) is the problem. Test function and Java
> program attached to reproduce.
>
> Scott
>
>
> ------------------------------------------------------------------------
>
> import java.sql.Connection;
> import java.sql.PreparedStatement;
> import java.sql.ResultSet;
> import java.sql.DriverManager;
> import java.sql.Types;
> import java.sql.SQLException;
> import org.postgresql.PGStatement;
>
> public class PreparedCastTest {
> public static void main(String[] args) {
> Connection c = null;
> PreparedStatement ps = null;
> ResultSet rs = null;
> try {
> c = DriverManager.getConnection(args[0], args[1], args[2]);
> ps = c.prepareStatement("select foo(?)");
> ( (PGStatement) ps ).setUseServerPrepare(true);
> //ps.setInt(1, 42);
> //ps.setObject(1, new Integer(42), Types.INTEGER);
> ps.setObject(1, null, Types.INTEGER);
> rs = ps.executeQuery();
> } catch (Exception e) {
> e.printStackTrace();
> System.exit(1);
> } finally {
> if (rs != null) { try { rs.close(); } catch (Throwable t) {} }
> if (ps != null) { try { ps.close(); } catch (Throwable t) {} }
> if (c != null) { try { c .close(); } catch (Throwable t) {} }
> }
> }
> }
>
>
>
> ------------------------------------------------------------------------
>
> create or replace function foo(integer) returns text as '
> declare
> theint alias for $1;
> begin
> return theint::text;
> end;' language 'plpgsql';
>
>
>
> ------------------------------------------------------------------------
>
>
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