Re: Why is bool == java.sql.Types.BIT ??

From: Oliver Jowett <oliver(at)opencloud(dot)com>
To: Thomas Kellerer <spam_eater(at)gmx(dot)net>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Why is bool == java.sql.Types.BIT ??
Date: 2005-11-24 20:50:03
Message-ID: 4386277B.8070906@opencloud.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-jdbc

Thomas Kellerer wrote:
> Oliver Jowett wrote on 24.11.2005 00:50:
>
>> Thomas Kellerer wrote:
>>
>>> The problem comes when supporting multiple DBMS. With MS SQL Server a
>>> bit column can only store 0/1 (which is not what the driver returns,
>>> as it uses a java.lang.Boolean) but PG only accepts the literals
>>> true/false. That's why I stumbled over this in the first place.
>>>
>>> So I'll have to check the native type rather then the JDBC type to be
>>> sure.
>>
>>
>>
>> Can't you use setBoolean()/getBoolean()? I think that's specified to
>> always work on a BIT column, whatever the real underlying type is.
>>
>
> Yes of course I can and actually I do when using PreparedStatements
> But when I'm generating SQL Scripts I need to use the correct literal
> for such a column.

Well, if you're going to bypass the abstractions that JDBC gives you to
deal with this sort of case, of course you will end up with
DBMS-specific code..

-O

In response to

Browse pgsql-jdbc by date

  From Date Subject
Next Message Dave Cramer 2005-11-24 21:06:50 Re: Can PostgreSQL do data type automated casting in
Previous Message Oliver Jowett 2005-11-24 20:47:43 Re: Can PostgreSQL do data type automated casting in