Files
postgresql/src/test/regress/sql/int2.sql
Alvaro Herrera 0fbf011200 Check column list length in XMLTABLE/JSON_TABLE alias
We weren't checking the length of the column list in the alias clause of
an XMLTABLE or JSON_TABLE function (a "tablefunc" RTE), and it was
possible to make the server crash by passing an overly long one.  Fix it
by throwing an error in that case, like the other places that deal with
alias lists.

In passing, modify the equivalent test used for join RTEs to look like
the other ones, which was different for no apparent reason.

This bug came in when XMLTABLE was born in version 10; backpatch to all
stable versions.

Reported-by: Wang Ke <krking@zju.edu.cn>
Discussion: https://postgr.es/m/17480-1c9d73565bb28e90@postgresql.org
2022-05-18 20:28:31 +02:00

107 lines
2.7 KiB
SQL

--
-- 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');
INSERT INTO INT2_TBL(f1) VALUES ('100000');
INSERT INTO INT2_TBL(f1) VALUES ('asdf');
INSERT INTO INT2_TBL(f1) VALUES (' ');
INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
INSERT INTO INT2_TBL(f1) VALUES ('4 444');
INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
INSERT INTO INT2_TBL(f1) VALUES ('');
SELECT * FROM INT2_TBL;
SELECT * FROM INT2_TBL AS f(a, b);
SELECT * FROM (TABLE int2_tbl) AS s (a, b);
SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
-- positive odds
SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
-- any evens
SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
WHERE abs(f1) < 16384;
SELECT i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
WHERE f1 < 32766;
SELECT i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
WHERE f1 > -32767;
SELECT i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
SELECT i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
-- corner cases
SELECT (-1::int2<<15)::text;
SELECT ((-1::int2<<15)+1::int2)::text;
-- check sane handling of INT16_MIN overflow cases
SELECT (-32768)::int2 * (-1)::int2;
SELECT (-32768)::int2 / (-1)::int2;
SELECT (-32768)::int2 % (-1)::int2;
-- 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);
-- 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);