ALTER TABLE companies 
  ADD COLUMN fti_business tsvector;

  UPDATE companies SET fti_business = to_tsvector('default',business_model);

  VACUUM FULL ANALYZE companies;

  CREATE INDEX idx_fti_business ON companies USING gist(fti_business);

  CREATE TRIGGER tg_fti_companies 
  BEFORE UPDATE OR INSERT ON companies
  FOR EACH ROW EXECUTE PROCEDURE
    tsearch2(fti_business, business_model);

  SELECT company_name, business_model
  FROM companies
  WHERE fti_business @@
    to_tsquery('default','bushing | engine');