Instructions for upgrading 3.22->3.23

[Andrew Ashton]

I would like to upgrade my mysql server on Solaris from version 3.22 to 
version 3.23.  I can find a lot of good information in the docs and 
online about doing a new installation, but I can find next to nothing 
that specifically addresses the steps to take to upgrade.  Everyone I've 
talked to says that it is simply a matter of overwriting the 3.22 
binaries with the 3.23 binaries.  So I have several questions:

1. Does that mean that I simply need to redirect the mysql symlink from 
the old 3.22 directory to the new 3.23 directory?

2. If so, I assume I also need to manually overwrite 
/usr/local/libexec/mysqld and /usr/local/bin/safe_mysqld?

3.  Also, do I need to do anything with the permissions?  The 
INSTALL-BINARY instructions that come with this release list the 
following steps for a new installation:

     shell> groupadd mysql
     shell> useradd -g mysql mysql
     shell> cd /usr/local
     shell> gunzip < /path/to/mysql-VERSION-OS.tar.gz | tar xvf -
     shell> ln -s full-path-to-mysql-VERSION-OS mysql
     shell> cd mysql
     shell> scripts/mysql_install_db
     shell> chown -R root  .
     shell> chown -R mysql data
     shell> chgrp -R mysql .
     shell> bin/mysqld_safe --user=mysql &
     or
     shell> bin/mysqld_safe --user=mysql &
     if you are running MySQL 4.x
I know I don't need to recreate the user & group, and from what I've 
heard I don't need to run the scripts/mysql_install_db with this upgrade 
from 3.22 to 3.23 (or do I?), but whatr about the rest of the steps?

Sorry if this seems obvious to most folks -- I'm new to mysql and I 
didn't do the initial install.

--
Andrew Ashton
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