One of our developers has just managed to make an UPDATE on a table without any WHERE clause to restrict it.
Thus a table with a few thousand records has suddenly become virtual identical.
Currently no VACUUM has been run on that table (or the database for that matter) thus it should be possible to recover an old version of the records, right?
I'm basing my assumption on the documentation which states that PostGre has better than row-level locking and keeps an old version of each record until a vacuum occours.
How would I go about recovering one of the old version for all the records ??
Please advice!
Cheers Jona
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