Re: Cannot pass null in Parameter in Query for ISNULL

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От Maciek Sakrejda
Тема Re: Cannot pass null in Parameter in Query for ISNULL
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Msg-id CAH_hXRYzbQEKWqJP=kMe59fW=1bCjT4z2dRCrnMo8Ln797QtQQ@mail.gmail.com
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Ответ на Re: Cannot pass null in Parameter in Query for ISNULL  (Dave Cramer <pg@fastcrypt.com>)
Список pgsql-jdbc
On Mon, Apr 23, 2012 at 12:15 PM, Dave Cramer <pg@fastcrypt.com> wrote:
>> [1] (from PreparedStatement.setObject): "Note: Not all databases allow
>> for a non-typed Null to be sent to the backend. For maximum
>> portability, the setNull or the setObject(int parameterIndex, Object
>> x, int sqlType) method should be used instead of setObject(int
>> parameterIndex, Object x). "
>> ---
>
>
> This was essentially Oliver's argument. The spec specifically tells
> you what to do.

Spec or no, if everyone else supports this, it'd be useful to offer
compatibility here (contingent, of course, on level of effort and
hackiness required)...

> Bernard, if you point this out to the projects in question what do they say ?

That's a good question: it's probably easier to address the issue in
the ORM than in the driver (the ORM should have enough information to
call the proper setNull).

---
Maciek Sakrejda | System Architect | Truviso

1065 E. Hillsdale Blvd., Suite 215
Foster City, CA 94404
(650) 242-3500 Main
www.truviso.com

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