create table spintest (
  firstfield  text,
  secondfield integer,
  thirdfield  double precision);

insert into spintest values ('first row',1,1);
insert into spintest values ('second row',2,2);
insert into spintest values ('third row',3,3);
insert into spintest values ('fourth row',4,4);
insert into spintest values ('fifth row',5,5);
insert into spintest values ('sixth row',6,6);