Zend Auth - Using two tables

I'm currently developing a website in Zend Framework wich uses Zend_Auth. The current design of the database is the following:

• users - id / email


• users_props - id - user_id - prop_name - prop_value

However, the current Zend_Auth_Adapter_DbTable uses only one table, as where I have to tables and need to join them.

How on earth can I do this? As far as i'm concerned, there are three options:

1. I somehow create a (mysql) view


2. I change the design so the users table contains both username/password


3. I rewrite the Zend_Auth_Adapter_DbTable to a Custom_Auth_Adapter_DbTabe

Can anyone point me out what the best practise is?

Thanks in advance :)

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