Adrian TorresandRaphael Collet b4487e8ea4 [IMP] core: allow grouping by m2m fields in read_group
With this commit, it is now possible to group the records of a model by
a Many2many field of said model.

The result of a read_group grouped by a m2m will return as many entries
or "groups" as there are different records in the comodel that are
linked to the model through the m2m, plus a null/false group, for records
of the model that have no linked records of the comodel or for records
of the comodel for which the current user has no read access to due to
ir.rules.

For a more illustrated explanation, the tests should cover all cases in
detail.

Note that this commit only introduces this change at the ORM level, the
frontend does not yet handle grouping by m2m fields but it is planned
in the near future.

Task-2428971

closes odoo/odoo#68958

Signed-off-by: Raphael Collet (rco) <rco@openerp.com>
Co-authored-by: Raphael Collet <rco@odoo.com>
2021-04-20 12:08:35 +00:00
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2020-09-28 14:07:25 +00:00

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