Re: updateRow bug fix (possible) and build questions

From: Dave Cramer <Dave(at)micro-automation(dot)net>
To: Shawn Green <shawn(dot)green(at)signiant(dot)com>
Cc: Barry Lind <blind(at)xythos(dot)com>, "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: updateRow bug fix (possible) and build questions
Date: 2003-03-25 17:58:35
Message-ID: 1048615114.8680.14.camel@inspiron.cramers
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-jdbc

Shawn,

I checked this in last night slightly modified; your patch would wipe
out the current row values. I changed it from clearRowBuffer to
updateValues.clear();

Dave
On Tue, 2003-03-25 at 09:27, Shawn Green wrote:
> Here is the difference:
>
> *** AbstractJdbc2ResultSet.java Mon Mar 24 11:53:51 2003
> --- AbstractJdbc2ResultSet.java.orig Mon Mar 24 12:59:17 2003
> ***************
> *** 1084,1093 ****
> if ( Driver.logDebug )
> Driver.debug("done updates");
>
> - // SMG: Once the update is complete,
> clear the update buffer so it isn't
> - // applied again...
> - clearRowBuffer ();
> -
> doingUpdates = false;
> }
> catch (Exception e)
> --- 1084,1089 ----
>
> -----Original Message-----
> From: Barry Lind [mailto:blind(at)xythos(dot)com]
> Sent: March 24, 2003 9:08 PM
> To: Shawn Green
> Cc: pgsql-jdbc(at)postgresql(dot)org
> Subject: Re: [JDBC] updateRow bug fix (possible) and build questions
>
> Shawn,
>
> Can you send a context diff (diff -c) so that we can see what you have
> changed?
>
> thanks,
> --Barry
>
>
> Shawn Green wrote:
> > I have a potential fix to a bug we've found in the jdbc drivers that
> > occurs when you are updating in place:
> >
> > 1. If you open a cursor on a table using update in place
> > and update two or more rows, values from previous updated entries will
> > be inserted into the following updates - the only workaround is to
> > update every possible row value for each row (not something I really
> > want to suggest).
> >
> > I think I have found the problem and corrected it in the attached java
> > class (line 1089). I'm pretty sure that I've got it fixed, but I've
> > been trying to build it and run it and am running into problems. I
> want
> > to build the jdbc2 version of the driver, but I'm not sure how to do
> > this. It isn't really documented, although I'll be the first to admit
> I
> > haven't read everythin - I'm basically looking for a shortcut. The
> > jdbc3 version doesn't work with JNI - it crashes for some reason.
> >
> > Thanks,
> > Shawn Green
> >
> >
> >
> >
> >
> ------------------------------------------------------------------------
> >
> >
> > ---------------------------(end of
> broadcast)---------------------------
> > TIP 5: Have you checked our extensive FAQ?
> >
> > http://www.postgresql.org/docs/faqs/FAQ.html
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
--
Dave Cramer <Dave(at)micro-automation(dot)net>

In response to

Browse pgsql-jdbc by date

  From Date Subject
Next Message David Hooker 2003-03-25 18:03:42 Re: Problem with updateRow() -- Revisited
Previous Message Dave Cramer 2003-03-25 17:45:01 Re: Problem with updateRow() -- Revisited