--
-- WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING
--
-- WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING
--
-- WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING
--
-- This SQL file is going to delete every mailing_list from the db that is not associated with
-- an existing group. Please check that this does really is not deleting sensible information
DELETE FROM mail_group_list WHERE group_id NOT IN (SELECT group_id FROM groups);
ALTER TABLE ONLY mail_group_list
ADD CONSTRAINT mail_group_list_group_id_fkey
FOREIGN KEY (group_id) REFERENCES groups(group_id) ON DELETE CASCADE;
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