Romain Derie
7cdf04df67
The core website behavior is the COW (copy on write) which makes it possible to
handle multiple websites on a single database.
When you do a CRUD operation on an `ir.ui.view` in a website context, the ORM
normal behavior is bypass to perform special stuff, such as:
- Write: if the view is generic (no `website_id`), we bifurcate the write on
the specific view (same `key` but with `website_id` set). If that
view doesn't exist, we create it and fork its whole descending
hierarchy. This write behavior is known as COW.
- Create: we ensure that view is created only for the website and no other.
Basically we just add a `website_id` to that view, but it might
also be about setting the correct `inherit_id` by finding the
specific view among multiple views with the same `key`.
- Unlink: if the view is generic, we will unlink that view but also create a
copy of that view for every other websites so they remain
unmodified: this is known as COU (copy on unlink).
All those behavior aims to satisfy to the multi website holy grail:
-- Any modification in a website context should never impact another website --
Because of those uncommon behaviors, it is sometimes hard to understand or
investigate a database, as views might be copied, up to the point where there
is multiple whole view hierarchies.
This commit attempts to create an user interface to easily figure what's going
on in a database at an `ir.ui.view` level.
The mains advantages of that new `ir.ui.view` Qweb view is to:
- easily figure which views are COW'd on which website
- easily detect which views have a real `arch` modification
- easily see that `arch` change
Closes #63040
Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>
Odoo
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