Subject | Re: [firebird-support] Re: Shred records |
---|---|
Author | Helen Borrie |
Post date | 2007-04-28T10:21:56Z |
At 07:54 PM 28/04/2007, you wrote:
or Ann could put me right) the record versions left over as a result
of limbo transactions don't disappear in a sweep until and unless
they first get flagged as rolled back by a gfix limbo cleanup. If
that's so then theoretically, if you knew what you were looking for,
you could find those strays with a hex editor.
./heLen
>I was actually trying to find the answer to my question by researchingTo all intents and purposes, yes.
>if it's possible to retrieve deleted records. As you say there are
>some ways achieving this with tools such as IBundelete or hexeditors.
>Can I conclude that the Nature of Firbird makes it impossible to
>recover deleted or updated records once the database performs a SWEEP?
>That is if the delete or update is committed properly.Well, that's am interesting one. As far as I'm aware (though Alexey
or Ann could put me right) the record versions left over as a result
of limbo transactions don't disappear in a sweep until and unless
they first get flagged as rolled back by a gfix limbo cleanup. If
that's so then theoretically, if you knew what you were looking for,
you could find those strays with a hex editor.
./heLen