Integrity Error Odoo/Postgres/psql
On Uninstall and Install module
Integrity Error: duplicate key value violates unique constraint "calendar_event_res_partner_re_calendar_event_id_res_partner_key"DETAIL: Key (calendar_event_id, res_partner_id)=(19, 43) already exists.
Go to PSQL prompt and run below commands:
# \d calendar_event;
# delete from calendar_event_res_partner_rel where calendar_event_id=18 and res_partner_id=3;
Please make sure you are running delete psql command so you have to be sure before run that query else data deleted from tables can not be recovered.