Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

If your module used it's own cache table, say cache_foo you need to write a simple update function:

<?php
function foo_update_8001() {
 
update_add_cache_columns('cache_foo');
}
?>
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done