BEGIN;

ALTER TABLE interviewees ADD COLUMN IF NOT EXISTS best_email text;
ALTER TABLE interviewees ADD COLUMN IF NOT EXISTS best_phone text;
ALTER TABLE interviewees ADD COLUMN IF NOT EXISTS best_contacts_computed_at timestamptz;

INSERT INTO schema_migrations(version)
VALUES ('0004_add_interviewee_best_contacts')
ON CONFLICT (version) DO NOTHING;

COMMIT;