Re: Inserting "null" not working (Sun App Server, Postgres, EJB3)? - Mailing list pgsql-jdbc

On 1-Mar-07, at 7:06 PM, Tom Lane wrote:

> Dave Cramer <pg@fastcrypt.com> writes:
>> The reason that setNull is required is because the type information
>> is required. NULL by it self has no type information. The jdbc driver
>> binds values to a prepared statement and the type information is
>> required. So setNull( n, typeinfo) is required to bind the correct
>> type.
>
> At least in this particular case, leaving the parameter type as
> UNKNOWN
> would have worked as the OP wishes.  I dunno if that would break other
> cases though.

This means you have to leave all parameter types as UNKNOWN. What's
the point of having parameter types at all ?

Dave
>             regards, tom lane
>