Hello

ashish kakar píše v Po 26. 12. 2016 v 15:06 +0000:

Hi all. I recently had an idea that I would like to implement in
phpmyadmin. In the development docs it is mentioned that ideas about
new features should be discussed on the list before implementing it.

I was working on MySQL (with phpmyadmin) in my last job and I faced
some problems. Basically when I entered an incorrect query it led to
data loss and there was no way to recover it. I searched online and
there were a few people like me who also experienced similar
problems. Recovery is only possible when there is data backup and
only to the extent of the frequency of the backups.

Having read about binary logs in MySQL I came up with the idea to
implement a solution that is able to recover the database by undoing
only the offending queries. However, to implement this it would be
necessary to have a web interface to view and select the statements
that need to be undone. I felt that implementing it as a part of
phpmyadmin would be better than implementing a standalone solution
because it would gel very well with it. Also I want this project to
be open source.

I don't have a lot of experience so I don't know if this is a good
idea or if there is a better approach to solve this. I would very
much like your suggestions on this.

The idea is indeed interesting, however I am afraid that the binary
logs do not have the information to rollback the transaction as they
are only interested in moving forward (replaying transaction on
replicated hosts). So you can certainly figure out what query has been
executed, but there is no way to get the old data.

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