text: --
  -- INT4
  --
  
  CREATE TABLE INT4_TBL(f1 int4);
  
  INSERT INTO INT4_TBL(f1) VALUES ('   0  ');
  
  INSERT INTO INT4_TBL(f1) VALUES ('123456     ');
  
  INSERT INTO INT4_TBL(f1) VALUES ('    -123456');
  
  INSERT INTO INT4_TBL(f1) VALUES ('34.5');
  
  -- largest and smallest values
  INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
  
  INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
  
  -- bad input values -- should give errors
  INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
  INSERT INTO INT4_TBL(f1) VALUES ('asdf');
  INSERT INTO INT4_TBL(f1) VALUES ('     ');
  INSERT INTO INT4_TBL(f1) VALUES ('   asdf   ');
  INSERT INTO INT4_TBL(f1) VALUES ('- 1234');
  INSERT INTO INT4_TBL(f1) VALUES ('123       5');
  INSERT INTO INT4_TBL(f1) VALUES ('');
  
  
  SELECT '' AS five, * FROM INT4_TBL;
  
  SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
  
  SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
  
  SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
  
  SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
  
  SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
  
  SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
  
  SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
  
  SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
  
  SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
  
  SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
  
  SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
  
  SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
  
  -- positive odds
  SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
  
  -- any evens
  SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
  
  SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i
  WHERE abs(f1) < 1073741824;
  
  SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i
  WHERE abs(f1) < 1073741824;
  
  SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i
  WHERE f1 < 2147483646;
  
  SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i
  WHERE f1 < 2147483646;
  
  SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i
  WHERE f1 > -2147483647;
  
  SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i
  WHERE f1 > -2147483647;
  
  SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
  
  SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
  
  --
  -- more complex expressions
  --
  
  -- variations on unary minus parsing
  SELECT -2+3 AS one;
  
  SELECT 4-2 AS two;
  
  SELECT 2- -1 AS three;
  
  SELECT 2 - -2 AS four;
  
  SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
  
  SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
  
  SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
  
  SELECT int4 '1000' < int4 '999' AS false;
  
  SELECT 4! AS twenty_four;
  
  SELECT !!3 AS six;
  
  SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
  
  SELECT 2 + 2 / 2 AS three;
  
  SELECT (2 + 2) / 2 AS two;
  
  -- corner case
  SELECT (-1::int4<<31)::text;
  SELECT ((-1::int4<<31)+1)::text;
  
  -- check sane handling of INT_MIN overflow cases
  SELECT (-2147483648)::int4 * (-1)::int4;
  SELECT (-2147483648)::int4 / (-1)::int4;
  SELECT (-2147483648)::int4 % (-1)::int4;
  SELECT (-2147483648)::int4 * (-1)::int2;
  SELECT (-2147483648)::int4 / (-1)::int2;
  SELECT (-2147483648)::int4 % (-1)::int2;
  