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| author | Ramil Kalimullin <ramil@mysql.com> | 2008-09-09 20:05:27 +0500 |
|---|---|---|
| committer | Ramil Kalimullin <ramil@mysql.com> | 2008-09-09 20:05:27 +0500 |
| commit | 776793a97c97c4e2b2c7a6a2870696c147eb235c (patch) | |
| tree | 644e2319ec4acc58e9fd5037dd7a176fef6ff9dd /mysql-test/r | |
| parent | 788be2aebdb0bce63b45b1fecf2f2d8a12a5cfc7 (diff) | |
| download | mariadb-git-776793a97c97c4e2b2c7a6a2870696c147eb235c.tar.gz | |
Fix for bug#37526: asymertic operator <=> in trigger
Problem: <=> operator may return wrong results
comparing NULL and a DATE/DATETIME/TIME value.
Fix: properly check NULLs.
mysql-test/r/type_datetime.result:
Fix for bug#37526: asymertic operator <=> in trigger
- test result.
mysql-test/t/type_datetime.test:
Fix for bug#37526: asymertic operator <=> in trigger
- test case.
sql/item_cmpfunc.cc:
Fix for bug#37526: asymertic operator <=> in trigger
- if is_nulls_eq is TRUE Arg_comparator::compare_datetime()
should return 1 only if both arguments are NULL.
Diffstat (limited to 'mysql-test/r')
| -rw-r--r-- | mysql-test/r/type_datetime.result | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/r/type_datetime.result b/mysql-test/r/type_datetime.result index 3814e2f8348..9c358c41215 100644 --- a/mysql-test/r/type_datetime.result +++ b/mysql-test/r/type_datetime.result @@ -560,4 +560,27 @@ select * from t2 where id in (select id from t2 as x1 where (t2.cur_date is null)); id cur_date drop table t1,t2; +SELECT +CAST('NULL' AS DATE) <=> CAST('2008-01-01' AS DATE) n1, +CAST('2008-01-01' AS DATE) <=> CAST('NULL' AS DATE) n2, +CAST('NULL' AS DATE) <=> CAST('NULL' AS DATE) n3, +CAST('NULL' AS DATE) <> CAST('2008-01-01' AS DATE) n4, +CAST('2008-01-01' AS DATE) <> CAST('NULL' AS DATE) n5, +CAST('NULL' AS DATE) <> CAST('NULL' AS DATE) n6, +CAST('NULL' AS DATE) < CAST('2008-01-01' AS DATE) n7, +CAST('2008-01-01' AS DATE) < CAST('NULL' AS DATE) n8, +CAST('NULL' AS DATE) < CAST('NULL' AS DATE) n9; +n1 n2 n3 n4 n5 n6 n7 n8 n9 +0 0 1 NULL NULL NULL NULL NULL NULL +Warnings: +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' +Warning 1292 Truncated incorrect datetime value: 'NULL' End of 5.0 tests |