CREATE TABLE IF NOT EXISTS public.udc_statistic (
  id_user integer NOT NULL,
  key text NOT NULL,
  value text NOT NULL,
  PRIMARY KEY (key, id_user)
);
CREATE TABLE IF NOT EXISTS public.udc_event (
  id_user integer NOT NULL,
  timestamp bigint NOT NULL,
  type text NOT NULL,
  payload text
);
CREATE INDEX id_user_type_timestamp_idx ON public.udc_event (id_user, type, timestamp);