from odoo import api, fields, models class TimesheetsAnalysisReport(models.Model): _inherit = "timesheets.analysis.report" maintenance_request_id = fields.Many2one( comodel_name="maintenance.request", readonly=True ) @api.model def _select(self): return ( super()._select() + """, A.maintenance_request_id AS maintenance_request_id """ ) @api.model def _from(self): return ( super()._from() + """ LEFT JOIN maintenance_request MR ON A.maintenance_request_id = MR.id """ )