text: -- Deploy procedures/verify_security to pg
  
  -- requires: procedures/get_entity_from_str 
  -- requires: procedures/get_schema_from_str 
  
  BEGIN;
  CREATE FUNCTION verify_security (_table text)
      RETURNS boolean
      AS $$
  BEGIN
      IF EXISTS (
          SELECT
              n.oid,
              relname,
              n.nspname
          FROM
              pg_class p
              JOIN pg_catalog.pg_namespace n ON n.oid = p.relnamespace
          WHERE
              relrowsecurity = 'true'
              AND relname = get_entity_from_str (_table)
              AND nspname = get_schema_from_str (_table)) THEN
      RETURN TRUE;
  ELSE
      RAISE EXCEPTION 'Nonexistent security --> %', _name
          USING HINT = 'Please check';
  END IF;
  END;
  $$
  LANGUAGE 'plpgsql'
  IMMUTABLE;
  COMMIT;
  
  