2000-01-04 17:19:34 +01:00
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--
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-- INT4
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--
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CREATE TABLE INT4_TBL(f1 int4);
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES (' 0 ');
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INSERT INTO INT4_TBL(f1) VALUES ('123456 ');
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INSERT INTO INT4_TBL(f1) VALUES (' -123456');
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2000-01-04 17:19:34 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('34.5');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: "34.5"
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('34.5');
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^
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2004-03-11 03:11:14 +01:00
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-- largest and smallest values
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2000-01-04 17:19:34 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
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INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
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2004-03-11 03:11:14 +01:00
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-- bad input values -- should give errors
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2000-01-04 17:19:34 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
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2003-09-25 08:58:07 +02:00
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ERROR: value "1000000000000" is out of range for type integer
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
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^
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2000-01-04 17:19:34 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('asdf');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: "asdf"
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('asdf');
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^
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES (' ');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: " "
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES (' ');
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^
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES (' asdf ');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: " asdf "
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES (' asdf ');
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^
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('- 1234');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: "- 1234"
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('- 1234');
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^
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('123 5');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: "123 5"
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('123 5');
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^
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2004-03-11 03:11:14 +01:00
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INSERT INTO INT4_TBL(f1) VALUES ('');
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2018-07-22 23:58:01 +02:00
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ERROR: invalid input syntax for type integer: ""
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2008-09-01 22:42:46 +02:00
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LINE 1: INSERT INTO INT4_TBL(f1) VALUES ('');
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^
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2005-04-07 03:51:41 +02:00
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SELECT '' AS five, * FROM INT4_TBL;
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2000-01-04 17:19:34 +01:00
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five | f1
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------+-------------
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| 0
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| 123456
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| -123456
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| 2147483647
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(5 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
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four | f1
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------+-------------
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| 123456
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| -123456
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| 2147483647
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(4 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
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four | f1
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------+-------------
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| 123456
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| -123456
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| 2147483647
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(4 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
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one | f1
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-----+----
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| 0
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
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one | f1
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-----+----
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| 0
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
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two | f1
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-----+-------------
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| -123456
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(2 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
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two | f1
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-----+-------------
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| -123456
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(2 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
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three | f1
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-------+-------------
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| 0
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| -123456
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(3 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
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three | f1
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-------+-------------
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| 0
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| -123456
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| -2147483647
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1997-04-05 13:24:54 +02:00
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(3 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
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two | f1
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-----+------------
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| 123456
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| 2147483647
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1997-04-05 13:24:54 +02:00
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(2 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
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two | f1
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-----+------------
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| 123456
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| 2147483647
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1997-04-05 13:24:54 +02:00
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(2 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
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three | f1
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-------+------------
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| 0
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| 123456
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| 2147483647
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1997-04-05 13:24:54 +02:00
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(3 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
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three | f1
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-------+------------
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| 0
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| 123456
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| 2147483647
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1997-04-05 13:24:54 +02:00
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(3 rows)
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2004-03-11 03:11:14 +01:00
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-- positive odds
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2000-01-04 17:19:34 +01:00
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
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one | f1
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-----+------------
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| 2147483647
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1997-04-05 13:24:54 +02:00
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(1 row)
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2004-03-11 03:11:14 +01:00
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-- any evens
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2000-01-04 17:19:34 +01:00
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
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three | f1
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-------+---------
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| 0
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| 123456
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| -123456
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1997-04-05 13:24:54 +02:00
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(3 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i
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WHERE abs(f1) < 1073741824;
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five | f1 | x
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------+---------+---------
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| 0 | 0
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| 123456 | 246912
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| -123456 | -246912
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(3 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i
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WHERE abs(f1) < 1073741824;
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five | f1 | x
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------+---------+---------
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| 0 | 0
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| 123456 | 246912
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| -123456 | -246912
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(3 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i
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WHERE f1 < 2147483646;
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2000-01-04 17:19:34 +01:00
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five | f1 | x
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------+-------------+-------------
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| 0 | 2
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| 123456 | 123458
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| -123456 | -123454
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| -2147483647 | -2147483645
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2004-10-04 16:42:48 +02:00
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(4 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i
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WHERE f1 < 2147483646;
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2000-01-04 17:19:34 +01:00
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five | f1 | x
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------+-------------+-------------
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| 0 | 2
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| 123456 | 123458
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| -123456 | -123454
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| -2147483647 | -2147483645
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2004-10-04 16:42:48 +02:00
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(4 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i
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WHERE f1 > -2147483647;
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five | f1 | x
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------+------------+------------
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| 0 | -2
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| 123456 | 123454
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| -123456 | -123458
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| 2147483647 | 2147483645
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(4 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
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2004-10-04 16:42:48 +02:00
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ERROR: integer out of range
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SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i
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WHERE f1 > -2147483647;
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five | f1 | x
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------+------------+------------
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| 0 | -2
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| 123456 | 123454
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| -123456 | -123458
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| 2147483647 | 2147483645
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(4 rows)
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1997-04-05 13:24:54 +02:00
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
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five | f1 | x
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------+-------------+-------------
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| 0 | 0
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| 123456 | 61728
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| -123456 | -61728
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| 2147483647 | 1073741823
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| -2147483647 | -1073741823
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1997-04-05 13:24:54 +02:00
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(5 rows)
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2000-01-04 17:19:34 +01:00
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SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
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five | f1 | x
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------+-------------+-------------
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| 0 | 0
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| 123456 | 61728
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| -123456 | -61728
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| 2147483647 | 1073741823
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| -2147483647 | -1073741823
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1997-04-05 13:24:54 +02:00
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(5 rows)
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2000-01-04 17:19:34 +01:00
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--
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-- more complex expressions
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--
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-- variations on unary minus parsing
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SELECT -2+3 AS one;
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one
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-----
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1
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1997-09-13 05:20:18 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT 4-2 AS two;
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two
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1997-09-13 05:20:18 +02:00
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-----
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2000-01-04 17:19:34 +01:00
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2
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1997-09-13 05:20:18 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT 2- -1 AS three;
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three
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-------
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3
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1997-09-13 05:20:18 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT 2 - -2 AS four;
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four
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------
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4
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
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true
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------
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t
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
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true
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------
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t
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
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true
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------
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t
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
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SELECT int4 '1000' < int4 '999' AS false;
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false
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-------
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f
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1997-04-05 13:24:54 +02:00
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(1 row)
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2000-01-04 17:19:34 +01:00
|
|
|
SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
|
|
|
|
ten
|
1997-04-05 13:24:54 +02:00
|
|
|
-----
|
2000-01-04 17:19:34 +01:00
|
|
|
10
|
1997-04-05 13:24:54 +02:00
|
|
|
(1 row)
|
|
|
|
|
2000-01-04 17:19:34 +01:00
|
|
|
SELECT 2 + 2 / 2 AS three;
|
|
|
|
three
|
|
|
|
-------
|
|
|
|
3
|
1997-04-05 13:24:54 +02:00
|
|
|
(1 row)
|
|
|
|
|
2000-01-04 17:19:34 +01:00
|
|
|
SELECT (2 + 2) / 2 AS two;
|
|
|
|
two
|
1997-04-05 13:24:54 +02:00
|
|
|
-----
|
2000-01-04 17:19:34 +01:00
|
|
|
2
|
1997-04-05 13:24:54 +02:00
|
|
|
(1 row)
|
|
|
|
|
2010-11-20 07:07:04 +01:00
|
|
|
-- corner case
|
|
|
|
SELECT (-1::int4<<31)::text;
|
|
|
|
text
|
|
|
|
-------------
|
|
|
|
-2147483648
|
2010-11-20 04:13:11 +01:00
|
|
|
(1 row)
|
|
|
|
|
2010-11-20 07:07:04 +01:00
|
|
|
SELECT ((-1::int4<<31)+1)::text;
|
2010-11-20 04:13:11 +01:00
|
|
|
text
|
|
|
|
-------------
|
2010-11-20 07:07:04 +01:00
|
|
|
-2147483647
|
2010-11-20 04:13:11 +01:00
|
|
|
(1 row)
|
|
|
|
|
2012-11-19 18:24:25 +01:00
|
|
|
-- check sane handling of INT_MIN overflow cases
|
|
|
|
SELECT (-2147483648)::int4 * (-1)::int4;
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT (-2147483648)::int4 / (-1)::int4;
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT (-2147483648)::int4 % (-1)::int4;
|
|
|
|
?column?
|
|
|
|
----------
|
|
|
|
0
|
|
|
|
(1 row)
|
|
|
|
|
|
|
|
SELECT (-2147483648)::int4 * (-1)::int2;
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT (-2147483648)::int4 / (-1)::int2;
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT (-2147483648)::int4 % (-1)::int2;
|
|
|
|
?column?
|
|
|
|
----------
|
|
|
|
0
|
|
|
|
(1 row)
|
|
|
|
|
2015-03-25 20:54:08 +01:00
|
|
|
-- 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);
|
|
|
|
x | int4_value
|
|
|
|
------+------------
|
|
|
|
-2.5 | -2
|
|
|
|
-1.5 | -2
|
|
|
|
-0.5 | 0
|
|
|
|
0 | 0
|
|
|
|
0.5 | 0
|
|
|
|
1.5 | 2
|
|
|
|
2.5 | 2
|
|
|
|
(7 rows)
|
|
|
|
|
2015-07-03 23:04:39 +02:00
|
|
|
-- 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);
|
|
|
|
x | int4_value
|
|
|
|
------+------------
|
|
|
|
-2.5 | -3
|
|
|
|
-1.5 | -2
|
|
|
|
-0.5 | -1
|
|
|
|
0.0 | 0
|
|
|
|
0.5 | 1
|
|
|
|
1.5 | 2
|
|
|
|
2.5 | 3
|
|
|
|
(7 rows)
|
|
|
|
|
2020-01-25 15:00:59 +01:00
|
|
|
-- 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);
|
|
|
|
a | b | gcd | gcd | gcd | gcd
|
|
|
|
-------------+------------+------------+------------+------------+------------
|
|
|
|
0 | 0 | 0 | 0 | 0 | 0
|
|
|
|
0 | 6410818 | 6410818 | 6410818 | 6410818 | 6410818
|
|
|
|
61866666 | 6410818 | 1466 | 1466 | 1466 | 1466
|
|
|
|
-61866666 | 6410818 | 1466 | 1466 | 1466 | 1466
|
|
|
|
-2147483648 | 1 | 1 | 1 | 1 | 1
|
|
|
|
-2147483648 | 2147483647 | 1 | 1 | 1 | 1
|
|
|
|
-2147483648 | 1073741824 | 1073741824 | 1073741824 | 1073741824 | 1073741824
|
|
|
|
(7 rows)
|
|
|
|
|
|
|
|
SELECT gcd((-2147483648)::int4, 0::int4); -- overflow
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT gcd((-2147483648)::int4, (-2147483648)::int4); -- overflow
|
|
|
|
ERROR: integer out of range
|
|
|
|
-- 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);
|
|
|
|
a | b | lcm | lcm | lcm | lcm
|
|
|
|
-------------+-----+------+------+------+------
|
|
|
|
0 | 0 | 0 | 0 | 0 | 0
|
|
|
|
0 | 42 | 0 | 0 | 0 | 0
|
|
|
|
42 | 42 | 42 | 42 | 42 | 42
|
|
|
|
330 | 462 | 2310 | 2310 | 2310 | 2310
|
|
|
|
-330 | 462 | 2310 | 2310 | 2310 | 2310
|
|
|
|
-2147483648 | 0 | 0 | 0 | 0 | 0
|
|
|
|
(6 rows)
|
|
|
|
|
|
|
|
SELECT lcm((-2147483648)::int4, 1::int4); -- overflow
|
|
|
|
ERROR: integer out of range
|
|
|
|
SELECT lcm(2147483647::int4, 2147483646::int4); -- overflow
|
|
|
|
ERROR: integer out of range
|