We could do the Group By directly with sql instead of doing the computations by hand afterwards. As we're already doing a sql query, we can include it here. closes odoo/odoo#104933 X-original-commit: 3cec95d0a18f3c343db36bb0700936833e98f7fc Related: odoo/enterprise#33594 Signed-off-by: William André (wan) <wan@odoo.com> Signed-off-by: Wala Gauthier (gawa) <gawa@odoo.com>