text: create table t1(c1 int, c2 int, c3 int);
  
  insert into t1 values (null, null, null);
  insert into t1 values (1, 1, 1);
  
  select c1,c2,c3 from t1 where c3 > -2147483648;
  select c1,c2,c3 from t1 where c3 > -2147483649;
  select c1,c2,c3 from t1 where c3 < 2147483647;
  select c1,c2,c3 from t1 where c3 < 2147483648;
  
  
  drop table t1;
  
  