mysql 4.1 > 4.0

dragon2611

Verified User
Joined
Nov 26, 2004
Messages
73
i went to mysql 4.1 and wish i hadnt as it seems to have messed up a lot of scripts

e.g phpbb has problems with installing mods,

oscommerce doesnt work properly...

is it possible to get back to mysql 4.0 beucase when i tryed it none of the databases were working

im wandering if theres some sort of converstion tool to handle this...
 
For Future Reference:
http://dev.mysql.com/doc/mysql/en/upgrading-from-4-0.html

Some quotes:

Important note: If you upgrade to MySQL 4.1.1 or higher, it is difficult to downgrade back to 4.0 or 4.1.0! That is because, for earlier versions, InnoDB is not aware of multiple tablespaces.

The Berkeley DB table handler is updated to DB 4.1 (from 3.2) which has a new log format. If you have to downgrade back to 4.0 you must use mysqldump to dump your BDB tables in text format and delete all log.XXXXXXXXXX files before you start MySQL 4.0 and reload the data.
 
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