coder/coderd/database/migrations/000155_workspaces_last_used_at_timestamptz.down.sql

ALTER TABLE ONLY workspaces
ALTER COLUMN last_used_at
	SET DATA TYPE timestamp
	USING last_used_at::timestamptz AT TIME ZONE 'UTC',
ALTER COLUMN last_used_at
	SET DEFAULT '0001-01-01 00:00:00'::timestamp;