I'm looking to add a column called 'updated' directly to the users table.
The Field API and Joins are not an option for me in this case due to external constraints.
How can I safely modify the user_schema to add the 'updated' column in a custom module and safely clean it up when the module is removed?
Here is the layout of the 'updated' column based on the Schema API:
$field = array( 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'description' => 'Timestamp for last time user was updated.', );
Currently my attempts using hook_install are not working as I believe they should.