From: Jani Tolonen
Date: April 9 1999 3:42am
Subject: Upgrade Question from 3.21-3.22
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Gregory Carter writes:
 > I am upgrading and I would like to know if I should dump my databases
 > out then upgrade or if 3.22 will read the 3.21 file structures OK and
 > not munge the databases.
 > 
 > -gc
 > 

Hi!

Nothing that affects compatibility has changed between 3.21 and 3.22.
The only pitfall is that new tables that are created with DATE type
columns will use the new way to store the date.  You can't access
these new fields from an old version of mysqld.

The C API interface to mysql_real_connect() has changed. If you have
an old client program that calls this function, you must place a 0 for
the new db argument (or recode the client to send the db element for
faster connections).

Yours,

Jani

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