text: CREATE SCHEMA VEHICLES;
  -- TRAINdomain
  CREATE TABLE VEHICLES.TRAIN (_id varchar(15) PRIMARY KEY, search jsonb);
  CREATE INDEX TRAIN_SEARCH on VEHICLES.TRAIN USING gin(search);
  
  -- CAR
  CREATE TABLE VEHICLES.CAR (_id varchar(15) PRIMARY KEY, search jsonb);
  CREATE INDEX CAR_SEARCH on VEHICLES.CAR USING gin(search);
  