diff options
Diffstat (limited to '')
| -rw-r--r-- | src/test/regress/sql/int4.sql | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/test/regress/sql/int4.sql b/src/test/regress/sql/int4.sql new file mode 100644 index 0000000..a9e90a9 --- /dev/null +++ b/src/test/regress/sql/int4.sql @@ -0,0 +1,182 @@ +-- +-- 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; + +-- check rounding when casting from float +SELECT x, x::int4 AS int4_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); + +-- check rounding when casting from numeric +SELECT x, x::int4 AS int4_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); + +-- test gcd() +SELECT a, b, gcd(a, b), gcd(a, -b), gcd(b, a), gcd(-b, a) +FROM (VALUES (0::int4, 0::int4), + (0::int4, 6410818::int4), + (61866666::int4, 6410818::int4), + (-61866666::int4, 6410818::int4), + ((-2147483648)::int4, 1::int4), + ((-2147483648)::int4, 2147483647::int4), + ((-2147483648)::int4, 1073741824::int4)) AS v(a, b); + +SELECT gcd((-2147483648)::int4, 0::int4); -- overflow +SELECT gcd((-2147483648)::int4, (-2147483648)::int4); -- overflow + +-- test lcm() +SELECT a, b, lcm(a, b), lcm(a, -b), lcm(b, a), lcm(-b, a) +FROM (VALUES (0::int4, 0::int4), + (0::int4, 42::int4), + (42::int4, 42::int4), + (330::int4, 462::int4), + (-330::int4, 462::int4), + ((-2147483648)::int4, 0::int4)) AS v(a, b); + +SELECT lcm((-2147483648)::int4, 1::int4); -- overflow +SELECT lcm(2147483647::int4, 2147483646::int4); -- overflow |