-- -- INT2 -- -- int2_tbl was already created and filled in test_setup.sql. -- Here we just try to insert bad values. 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'); ^ 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) -- Also try it with non-error-throwing API SELECT pg_input_is_valid('34', 'int2'); pg_input_is_valid ------------------- t (1 row) SELECT pg_input_is_valid('asdf', 'int2'); pg_input_is_valid ------------------- f (1 row) SELECT pg_input_is_valid('50000', 'int2'); pg_input_is_valid ------------------- f (1 row) SELECT * FROM pg_input_error_info('50000', 'int2'); message | detail | hint | sql_error_code -------------------------------------------------+--------+------+---------------- value "50000" is out of range for type smallint | | | 22003 (1 row) -- While we're here, check int2vector as well SELECT pg_input_is_valid(' 1 3 5 ', 'int2vector'); pg_input_is_valid ------------------- t (1 row) SELECT * FROM pg_input_error_info('1 asdf', 'int2vector'); message | detail | hint | sql_error_code ------------------------------------------------+--------+------+---------------- invalid input syntax for type smallint: "asdf" | | | 22P02 (1 row) SELECT * FROM pg_input_error_info('50000', 'int2vector'); message | detail | hint | sql_error_code -------------------------------------------------+--------+------+---------------- value "50000" is out of range for type smallint | | | 22003 (1 row) 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) -- non-decimal literals SELECT int2 '0b100101'; int2 ------ 37 (1 row) SELECT int2 '0o273'; int2 ------ 187 (1 row) SELECT int2 '0x42F'; int2 ------ 1071 (1 row) SELECT int2 '0b'; ERROR: invalid input syntax for type smallint: "0b" LINE 1: SELECT int2 '0b'; ^ SELECT int2 '0o'; ERROR: invalid input syntax for type smallint: "0o" LINE 1: SELECT int2 '0o'; ^ SELECT int2 '0x'; ERROR: invalid input syntax for type smallint: "0x" LINE 1: SELECT int2 '0x'; ^ -- cases near overflow SELECT int2 '0b111111111111111'; int2 ------- 32767 (1 row) SELECT int2 '0b1000000000000000'; ERROR: value "0b1000000000000000" is out of range for type smallint LINE 1: SELECT int2 '0b1000000000000000'; ^ SELECT int2 '0o77777'; int2 ------- 32767 (1 row) SELECT int2 '0o100000'; ERROR: value "0o100000" is out of range for type smallint LINE 1: SELECT int2 '0o100000'; ^ SELECT int2 '0x7FFF'; int2 ------- 32767 (1 row) SELECT int2 '0x8000'; ERROR: value "0x8000" is out of range for type smallint LINE 1: SELECT int2 '0x8000'; ^ SELECT int2 '-0b1000000000000000'; int2 -------- -32768 (1 row) SELECT int2 '-0b1000000000000001'; ERROR: value "-0b1000000000000001" is out of range for type smallint LINE 1: SELECT int2 '-0b1000000000000001'; ^ SELECT int2 '-0o100000'; int2 -------- -32768 (1 row) SELECT int2 '-0o100001'; ERROR: value "-0o100001" is out of range for type smallint LINE 1: SELECT int2 '-0o100001'; ^ SELECT int2 '-0x8000'; int2 -------- -32768 (1 row) SELECT int2 '-0x8001'; ERROR: value "-0x8001" is out of range for type smallint LINE 1: SELECT int2 '-0x8001'; ^ -- underscores SELECT int2 '1_000'; int2 ------ 1000 (1 row) SELECT int2 '1_2_3'; int2 ------ 123 (1 row) SELECT int2 '0xE_FF'; int2 ------ 3839 (1 row) SELECT int2 '0o2_73'; int2 ------ 187 (1 row) SELECT int2 '0b_10_0101'; int2 ------ 37 (1 row) -- error cases SELECT int2 '_100'; ERROR: invalid input syntax for type smallint: "_100" LINE 1: SELECT int2 '_100'; ^ SELECT int2 '100_'; ERROR: invalid input syntax for type smallint: "100_" LINE 1: SELECT int2 '100_'; ^ SELECT int2 '10__000'; ERROR: invalid input syntax for type smallint: "10__000" LINE 1: SELECT int2 '10__000'; ^