Marc Alff 51f7f7f43e Bug#45194 mysql_upgrade deletes existing data in performance_schema database/schema
Before this fix, mysql_upgrade would always drop and re create
the performance_schema database.
This in theory could destroy user data created using 5.1 or older versions.

With this fix, mysql_upgrade checks the content of the
performance_schema database before droping it.
2010-03-05 08:31:01 -07:00
..
2009-06-04 18:47:38 +02:00
2007-01-31 00:06:42 +01:00