Re: Extract transaction from WAL
Michael Loftis <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.general |
|---|---|
| Message-ID | <CAHDg04v9v+ei=UPB8YimzArQ1eZf4rP4o=krRd6h=r9mOk+=fw@mail.gmail.com> |
On Thu, Nov 21, 2019 at 04:56 Jill Jade <[email protected]> wrote: > Hello everyone, > > I am new to Postgres and I have a query. > > I have updated a table which I should not have. > > Is there a way to extract the transactions from the WAL and get back the > previous data? > > Is there a tool that can help to get back the transactions? > The normal way is to use a backup along with point in time recovery. But this requires you’ve setup backups and are archiving WALs F/ex with pgbackrest. You restore the last full backup from before the incident and play back to a time stamp or transaction ID. Either to the original server or elsewhere...in this case I would probably restore elsewhere and extract the data I needed using tools like pg_dump to restore the selected data. I’m personally unaware of other methods which may exist. > > Thanks in advance. > > Regards, > Jill > > > -- "Genius might be described as a supreme capacity for getting its possessors into trouble of all kinds." -- Samuel Butler