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Bug #49480: WHERE using YEAR columns returns unexpected results

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Merge the fix from 5.1-bugteam to 5.1-main
This commit is contained in:
Georgi Kodinov
2009-12-15 10:37:10 +02:00
parent 8dc0091c21
commit 915cc3e9b0
4 changed files with 421 additions and 102 deletions
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106
mysql-test/t/type_year.test
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@ -30,3 +30,109 @@ select * from t1;
drop table t1;
--echo End of 5.0 tests
--echo #
--echo # Bug #49480: WHERE using YEAR columns returns unexpected results
--echo #
CREATE TABLE t2(yy YEAR(2), c2 CHAR(4));
CREATE TABLE t4(yyyy YEAR(4), c4 CHAR(4));
INSERT INTO t2 (c2) VALUES (NULL),(1970),(1999),(2000),(2001),(2069);
INSERT INTO t4 (c4) SELECT c2 FROM t2;
UPDATE t2 SET yy = c2;
UPDATE t4 SET yyyy = c4;
SELECT * FROM t2;
SELECT * FROM t4;
--echo # Comparison of YEAR(2) with YEAR(4)
SELECT * FROM t2, t4 WHERE yy = yyyy;
SELECT * FROM t2, t4 WHERE yy <=> yyyy;
SELECT * FROM t2, t4 WHERE yy < yyyy;
SELECT * FROM t2, t4 WHERE yy > yyyy;
--echo # Comparison of YEAR(2) with YEAR(2)
SELECT * FROM t2 a, t2 b WHERE a.yy = b.yy;
SELECT * FROM t2 a, t2 b WHERE a.yy <=> b.yy;
SELECT * FROM t2 a, t2 b WHERE a.yy < b.yy;
--echo # Comparison of YEAR(4) with YEAR(4)
SELECT * FROM t4 a, t4 b WHERE a.yyyy = b.yyyy;
SELECT * FROM t4 a, t4 b WHERE a.yyyy <=> b.yyyy;
SELECT * FROM t4 a, t4 b WHERE a.yyyy < b.yyyy;
--echo # Comparison with constants:
SELECT * FROM t2 WHERE yy = NULL;
SELECT * FROM t4 WHERE yyyy = NULL;
SELECT * FROM t2 WHERE yy <=> NULL;
SELECT * FROM t4 WHERE yyyy <=> NULL;
SELECT * FROM t2 WHERE yy < NULL;
SELECT * FROM t2 WHERE yy > NULL;
SELECT * FROM t2 WHERE yy = NOW();
SELECT * FROM t4 WHERE yyyy = NOW();
SELECT * FROM t2 WHERE yy = 99;
SELECT * FROM t2 WHERE 99 = yy;
SELECT * FROM t4 WHERE yyyy = 99;
SELECT * FROM t2 WHERE yy = 'test';
SELECT * FROM t4 WHERE yyyy = 'test';
SELECT * FROM t2 WHERE yy = '1999';
SELECT * FROM t4 WHERE yyyy = '1999';
SELECT * FROM t2 WHERE yy = 1999;
SELECT * FROM t4 WHERE yyyy = 1999;
SELECT * FROM t2 WHERE yy = 1999.1;
SELECT * FROM t4 WHERE yyyy = 1999.1;
SELECT * FROM t2 WHERE yy = 1998.9;
SELECT * FROM t4 WHERE yyyy = 1998.9;
--echo # Coverage tests for YEAR with zero/2000 constants:
SELECT * FROM t2 WHERE yy = 0;
SELECT * FROM t2 WHERE yy = '0';
SELECT * FROM t2 WHERE yy = '0000';
SELECT * FROM t2 WHERE yy = '2000';
SELECT * FROM t2 WHERE yy = 2000;
SELECT * FROM t4 WHERE yyyy = 0;
SELECT * FROM t4 WHERE yyyy = '0';
SELECT * FROM t4 WHERE yyyy = '0000';
SELECT * FROM t4 WHERE yyyy = '2000';
SELECT * FROM t4 WHERE yyyy = 2000;
--echo # Comparison with constants those are out of YEAR range
--echo # (coverage test for backward compatibility)
SELECT COUNT(yy) FROM t2;
SELECT COUNT(yyyy) FROM t4;
SELECT COUNT(*) FROM t2 WHERE yy = -1;
SELECT COUNT(*) FROM t4 WHERE yyyy > -1;
SELECT COUNT(*) FROM t2 WHERE yy > -1000000000000000000;
SELECT COUNT(*) FROM t4 WHERE yyyy > -1000000000000000000;
SELECT COUNT(*) FROM t2 WHERE yy < 2156;
SELECT COUNT(*) FROM t4 WHERE yyyy < 2156;
SELECT COUNT(*) FROM t2 WHERE yy < 1000000000000000000;
SELECT COUNT(*) FROM t4 WHERE yyyy < 1000000000000000000;
SELECT * FROM t2 WHERE yy < 123;
SELECT * FROM t2 WHERE yy > 123;
SELECT * FROM t4 WHERE yyyy < 123;
SELECT * FROM t4 WHERE yyyy > 123;
DROP TABLE t2, t4;
--echo #
--echo End of 5.1 tests