332 lines
6.7 KiB
Plaintext
332 lines
6.7 KiB
Plaintext
--
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-- INT2
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--
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-- int2_tbl was already created and filled in test_setup.sql.
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-- Here we just try to insert bad values.
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INSERT INTO INT2_TBL(f1) VALUES ('34.5');
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ERROR: invalid input syntax for type smallint: "34.5"
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('34.5');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('100000');
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ERROR: value "100000" is out of range for type smallint
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('100000');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('asdf');
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ERROR: invalid input syntax for type smallint: "asdf"
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('asdf');
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^
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INSERT INTO INT2_TBL(f1) VALUES (' ');
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ERROR: invalid input syntax for type smallint: " "
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES (' ');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
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ERROR: invalid input syntax for type smallint: "- 1234"
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('4 444');
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ERROR: invalid input syntax for type smallint: "4 444"
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('4 444');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
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ERROR: invalid input syntax for type smallint: "123 dt"
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
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^
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INSERT INTO INT2_TBL(f1) VALUES ('');
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ERROR: invalid input syntax for type smallint: ""
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LINE 1: INSERT INTO INT2_TBL(f1) VALUES ('');
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^
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SELECT * FROM INT2_TBL;
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f1
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--------
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0
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1234
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-1234
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32767
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-32767
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(5 rows)
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-- Also try it with non-error-throwing API
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SELECT pg_input_is_valid('34', 'int2');
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pg_input_is_valid
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-------------------
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t
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(1 row)
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SELECT pg_input_is_valid('asdf', 'int2');
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pg_input_is_valid
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-------------------
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f
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(1 row)
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SELECT pg_input_is_valid('50000', 'int2');
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pg_input_is_valid
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-------------------
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f
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(1 row)
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SELECT pg_input_error_message('50000', 'int2');
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pg_input_error_message
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-------------------------------------------------
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value "50000" is out of range for type smallint
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(1 row)
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SELECT * FROM INT2_TBL AS f(a, b);
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ERROR: table "f" has 1 columns available but 2 columns specified
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SELECT * FROM (TABLE int2_tbl) AS s (a, b);
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ERROR: table "s" has 1 columns available but 2 columns specified
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
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f1
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--------
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1234
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-1234
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32767
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-32767
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(4 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
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f1
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--------
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1234
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-1234
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32767
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-32767
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(4 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
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f1
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----
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0
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(1 row)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
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f1
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----
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0
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(1 row)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
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f1
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--------
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-1234
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-32767
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(2 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
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f1
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--------
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-1234
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-32767
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(2 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
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f1
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--------
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0
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-1234
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-32767
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(3 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
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f1
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--------
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0
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-1234
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-32767
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(3 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
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f1
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-------
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1234
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32767
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(2 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
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f1
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-------
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1234
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32767
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(2 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
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f1
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-------
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0
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1234
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32767
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(3 rows)
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SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
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f1
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-------
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0
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1234
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32767
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(3 rows)
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-- positive odds
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SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
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f1
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-------
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32767
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(1 row)
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-- any evens
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SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
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f1
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-------
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0
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1234
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-1234
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(3 rows)
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SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
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ERROR: smallint out of range
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SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
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WHERE abs(f1) < 16384;
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f1 | x
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-------+-------
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0 | 0
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1234 | 2468
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-1234 | -2468
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(3 rows)
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SELECT i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
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f1 | x
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--------+--------
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0 | 0
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1234 | 2468
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-1234 | -2468
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32767 | 65534
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-32767 | -65534
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(5 rows)
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SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
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ERROR: smallint out of range
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SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
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WHERE f1 < 32766;
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f1 | x
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--------+--------
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0 | 2
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1234 | 1236
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-1234 | -1232
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-32767 | -32765
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(4 rows)
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SELECT i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
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f1 | x
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--------+--------
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0 | 2
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1234 | 1236
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-1234 | -1232
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32767 | 32769
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-32767 | -32765
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(5 rows)
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SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
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ERROR: smallint out of range
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SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
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WHERE f1 > -32767;
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f1 | x
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-------+-------
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0 | -2
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1234 | 1232
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-1234 | -1236
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32767 | 32765
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(4 rows)
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SELECT i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
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f1 | x
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--------+--------
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0 | -2
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1234 | 1232
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-1234 | -1236
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32767 | 32765
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-32767 | -32769
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(5 rows)
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SELECT i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
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f1 | x
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--------+--------
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0 | 0
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1234 | 617
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-1234 | -617
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32767 | 16383
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-32767 | -16383
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(5 rows)
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SELECT i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
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f1 | x
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--------+--------
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0 | 0
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1234 | 617
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-1234 | -617
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32767 | 16383
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-32767 | -16383
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(5 rows)
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-- corner cases
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SELECT (-1::int2<<15)::text;
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text
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--------
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-32768
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(1 row)
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SELECT ((-1::int2<<15)+1::int2)::text;
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text
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--------
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-32767
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(1 row)
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-- check sane handling of INT16_MIN overflow cases
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SELECT (-32768)::int2 * (-1)::int2;
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ERROR: smallint out of range
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SELECT (-32768)::int2 / (-1)::int2;
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ERROR: smallint out of range
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SELECT (-32768)::int2 % (-1)::int2;
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?column?
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----------
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0
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(1 row)
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-- check rounding when casting from float
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SELECT x, x::int2 AS int2_value
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FROM (VALUES (-2.5::float8),
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(-1.5::float8),
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(-0.5::float8),
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(0.0::float8),
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(0.5::float8),
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(1.5::float8),
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(2.5::float8)) t(x);
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x | int2_value
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------+------------
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-2.5 | -2
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-1.5 | -2
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-0.5 | 0
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0 | 0
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0.5 | 0
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1.5 | 2
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2.5 | 2
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(7 rows)
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-- check rounding when casting from numeric
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SELECT x, x::int2 AS int2_value
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FROM (VALUES (-2.5::numeric),
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(-1.5::numeric),
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(-0.5::numeric),
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(0.0::numeric),
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(0.5::numeric),
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(1.5::numeric),
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(2.5::numeric)) t(x);
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x | int2_value
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------+------------
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-2.5 | -3
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-1.5 | -2
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-0.5 | -1
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0.0 | 0
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0.5 | 1
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1.5 | 2
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2.5 | 3
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(7 rows)
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