Please disregard.
The problem is not with NULL arguments, but with any Timestamps.
2013/9/11 Lachezar Dobrev <l.dobrev@gmail.com>:
> You're technically correct.
>
> Maybe this can be applied to NULL arguments only? Would that be
> 'more' acceptable?
> Lately I've been proven wrong with many of my (reasonable)
> expectations, but I *hope* NULL timestamps with or without time zones
> are the same!
>
> 2013/9/11 Kris Jurka <books@ejurka.com>:
>>
>>
>> On Tue, 10 Sep 2013, Lachezar Dobrev wrote:
>>
>>> I've made a blunt stab at working around the issue.
>>> The attached patch adds a new parameter to the JDBC URL: timestamp.
>>> The parameter can be wither 'with_timezone' or 'without_timezone'. If
>>> the parameter is missing, or has a different value then the current
>>> behaviour (using Oid.UNSPECIFIED) is exhibited. With the parameters
>>> specified correctly one of the Oid.TIMESTAMP or Oid.TIMESTAMPTZ is
>>> used when sending Timestamp arguments to the server.
>>
>> This won't really work in general though. If you have a database that has
>> both timestamp and timestamptz fields in it, there is no valid setting of
>> this configuration option. Setting it either way will result in silent
>> corruption of your data.
>>
>> Kris Jurka