Re: updateRow bug fix (possible) and build questions - Mailing list pgsql-jdbc

From Dave Cramer
Subject Re: updateRow bug fix (possible) and build questions
Date
Msg-id 1048615114.8680.14.camel@inspiron.cramers
Whole thread Raw
In response to Re: updateRow bug fix (possible) and build questions  ("Shawn Green" <shawn.green@signiant.com>)
List 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@xythos.com]
> Sent: March 24, 2003 9:08 PM
> To: Shawn Green
> Cc: pgsql-jdbc@postgresql.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
> >
> >
> >
> >
> >
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--
Dave Cramer <Dave@micro-automation.net>


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