text: -- sort.test
  -- 
  -- execsql {
  --     CREATE TABLE t1(
  --        n int,
  --        v varchar(10),
  --        log int,
  --        roman varchar(10),
  --        flt real
  --     );
  --     INSERT INTO t1 VALUES(1,'one',0,'I',3.141592653);
  --     INSERT INTO t1 VALUES(2,'two',1,'II',2.15);
  --     INSERT INTO t1 VALUES(3,'three',1,'III',4221.0);
  --     INSERT INTO t1 VALUES(4,'four',2,'IV',-0.0013442);
  --     INSERT INTO t1 VALUES(5,'five',2,'V',-11);
  --     INSERT INTO t1 VALUES(6,'six',2,'VI',0.123);
  --     INSERT INTO t1 VALUES(7,'seven',2,'VII',123.0);
  --     INSERT INTO t1 VALUES(8,'eight',3,'VIII',-1.6);
  -- }
  CREATE TABLE t1(
  n int,
  v varchar(10),
  log int,
  roman varchar(10),
  flt real
  );
  INSERT INTO t1 VALUES(1,'one',0,'I',3.141592653);
  INSERT INTO t1 VALUES(2,'two',1,'II',2.15);
  INSERT INTO t1 VALUES(3,'three',1,'III',4221.0);
  INSERT INTO t1 VALUES(4,'four',2,'IV',-0.0013442);
  INSERT INTO t1 VALUES(5,'five',2,'V',-11);
  INSERT INTO t1 VALUES(6,'six',2,'VI',0.123);
  INSERT INTO t1 VALUES(7,'seven',2,'VII',123.0);
  INSERT INTO t1 VALUES(8,'eight',3,'VIII',-1.6);