Re: updateRow bug fix (possible) and build questions

From: "Shawn Green" <shawn(dot)green(at)signiant(dot)com>
To: "Barry Lind" <blind(at)xythos(dot)com>
Cc: <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: updateRow bug fix (possible) and build questions
Date: 2003-03-25 14:27:23
Message-ID: 15850B2D5ED56040A07CC8D2F2920E3F26BBE9@OTTAS07.ott.signiant.com
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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
>
>
>
>
>
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