I was thinking of having a table that goes like:
session_id var_name value
----------------------------------------
asdijhufio4 user_id 1
asdijhufio4 state 55
fddffff0012 new_user 1
dfdfgeret44 username 'bob'
And then it is just a matter of doing a 'SELECT var_name, value FROM session where session_id = ?'
I would think the performance of this would be a lot better than the way you serialize your data.
Update:It is possible to store the hash in a MySQL blob using \0 as a seperator. This may work better if you don't want to have multiple rows per session.
Hope this helps...
gav^
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