Georges Toth wrote:
Hi all,
Is there anything which could break by upgrading (and following the standard
gentoo upgrade guide) from 4.0.x to either 4.1.x or 5.x.x ?
(php scripts for example ?)
In general lots of things could go wrong. PHP script is a good example.
If you use older versions of complex PHP-apps, upgrading mysql might not
be a very good idear. One of the things that might go wrong is the
charset-stuff. In MySQL 3-4.0 the char set on the server as one. In the
newer versions it is on table basis. This for example breaks older
versions of TYPO3.
And remember to follow the upgrade guide. Not doing so will b0rk your
server.
If you can afford it, the safest approach IMO is to have an extra server
with the old MySQL-version on, that you keep alive, and then move your
databases one at a time.
/D
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