text: drop table if exists tab0;
  drop table if exists tab1;
  
  CREATE TABLE tab0(a INTEGER);
  INSERT INTO tab0 VALUES(0);
  CREATE TABLE tab1(a INTEGER);
  INSERT INTO tab1 VALUES(1);
  select * from ((select * from tab1) as tab11), tab0;
  
  drop table if exists tab0;
  drop table if exists tab1;
  