src/test/singlenode_regress/expected/int2.out

--
-- INT2
--
CREATE TABLE INT2_TBL(f1 int2);
INSERT INTO INT2_TBL(f1) VALUES ('0   ');
INSERT INTO INT2_TBL(f1) VALUES ('  1234 ');
INSERT INTO INT2_TBL(f1) VALUES ('    -1234');
INSERT INTO INT2_TBL(f1) VALUES ('34.5');
ERROR:  invalid input syntax for type smallint: "34.5"
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('34.5');
                                         ^
-- largest and smallest values
INSERT INTO INT2_TBL(f1) VALUES ('32767');
INSERT INTO INT2_TBL(f1) VALUES ('-32767');
-- bad input values -- should give errors
INSERT INTO INT2_TBL(f1) VALUES ('100000');
ERROR:  value "100000" is out of range for type smallint
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('100000');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('asdf');
ERROR:  invalid input syntax for type smallint: "asdf"
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('asdf');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('    ');
ERROR:  invalid input syntax for type smallint: "    "
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('    ');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
ERROR:  invalid input syntax for type smallint: "- 1234"
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('4 444');
ERROR:  invalid input syntax for type smallint: "4 444"
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('4 444');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
ERROR:  invalid input syntax for type smallint: "123 dt"
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
                                         ^
INSERT INTO INT2_TBL(f1) VALUES ('');
ERROR:  invalid input syntax for type smallint: ""
LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('');
                                         ^
SELECT * FROM INT2_TBL;
   f1   
--------
      0
   1234
  -1234
  32767
 -32767
(5 rows)

SELECT * FROM INT2_TBL AS f(a, b);
ERROR:  table "f" has 1 columns available but 2 columns specified
SELECT * FROM (TABLE int2_tbl) AS s (a, b);
ERROR:  table "s" has 1 columns available but 2 columns specified
SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
   f1   
--------
   1234
  -1234
  32767
 -32767
(4 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
   f1   
--------
   1234
  -1234
  32767
 -32767
(4 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
 f1 
----
  0
(1 row)

SELECT i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
 f1 
----
  0
(1 row)

SELECT i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
   f1   
--------
  -1234
 -32767
(2 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
   f1   
--------
  -1234
 -32767
(2 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
   f1   
--------
      0
  -1234
 -32767
(3 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
   f1   
--------
      0
  -1234
 -32767
(3 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
  f1   
-------
  1234
 32767
(2 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
  f1   
-------
  1234
 32767
(2 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
  f1   
-------
     0
  1234
 32767
(3 rows)

SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
  f1   
-------
     0
  1234
 32767
(3 rows)

-- positive odds
SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
  f1   
-------
 32767
(1 row)

-- any evens
SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
  f1   
-------
     0
  1234
 -1234
(3 rows)

SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
ERROR:  smallint out of range
SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
WHERE abs(f1) < 16384;
  f1   |   x   
-------+-------
     0 |     0
  1234 |  2468
 -1234 | -2468
(3 rows)

SELECT i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
   f1   |   x    
--------+--------
      0 |      0
   1234 |   2468
  -1234 |  -2468
  32767 |  65534
 -32767 | -65534
(5 rows)

SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
ERROR:  smallint out of range
SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
WHERE f1 < 32766;
   f1   |   x    
--------+--------
      0 |      2
   1234 |   1236
  -1234 |  -1232
 -32767 | -32765
(4 rows)

SELECT i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
   f1   |   x    
--------+--------
      0 |      2
   1234 |   1236
  -1234 |  -1232
  32767 |  32769
 -32767 | -32765
(5 rows)

SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
ERROR:  smallint out of range
SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
WHERE f1 > -32767;
  f1   |   x   
-------+-------
     0 |    -2
  1234 |  1232
 -1234 | -1236
 32767 | 32765
(4 rows)

SELECT i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
   f1   |   x    
--------+--------
      0 |     -2
   1234 |   1232
  -1234 |  -1236
  32767 |  32765
 -32767 | -32769
(5 rows)

SELECT i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
   f1   |   x    
--------+--------
      0 |      0
   1234 |    617
  -1234 |   -617
  32767 |  16383
 -32767 | -16383
(5 rows)

SELECT i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
   f1   |   x    
--------+--------
      0 |      0
   1234 |    617
  -1234 |   -617
  32767 |  16383
 -32767 | -16383
(5 rows)

-- corner cases
SELECT (-1::int2<<15)::text;
  text  
--------
 -32768
(1 row)

SELECT ((-1::int2<<15)+1::int2)::text;
  text  
--------
 -32767
(1 row)

-- check sane handling of INT16_MIN overflow cases
SELECT (-32768)::int2 * (-1)::int2;
ERROR:  smallint out of range
SELECT (-32768)::int2 / (-1)::int2;
ERROR:  smallint out of range
SELECT (-32768)::int2 % (-1)::int2;
 ?column? 
----------
        0
(1 row)

-- check rounding when casting from float
SELECT x, x::int2 AS int2_value
FROM (VALUES (-2.5::float8),
             (-1.5::float8),
             (-0.5::float8),
             (0.0::float8),
             (0.5::float8),
             (1.5::float8),
             (2.5::float8)) t(x);
  x   | int2_value 
------+------------
 -2.5 |         -2
 -1.5 |         -2
 -0.5 |          0
    0 |          0
  0.5 |          0
  1.5 |          2
  2.5 |          2
(7 rows)

-- check rounding when casting from numeric
SELECT x, x::int2 AS int2_value
FROM (VALUES (-2.5::numeric),
             (-1.5::numeric),
             (-0.5::numeric),
             (0.0::numeric),
             (0.5::numeric),
             (1.5::numeric),
             (2.5::numeric)) t(x);
  x   | int2_value 
------+------------
 -2.5 |         -3
 -1.5 |         -2
 -0.5 |         -1
  0.0 |          0
  0.5 |          1
  1.5 |          2
  2.5 |          3
(7 rows)