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| author | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-02-26 17:40:01 +0400 |
|---|---|---|
| committer | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-02-26 17:40:01 +0400 |
| commit | 5d9a74f22dfefd27d0bb62a1829a2484741bbf8a (patch) | |
| tree | f0ae736e5674de5566766cbec76784fcfad888f9 /mysql-test/r/subselect.result | |
| parent | 3fcb25d806c84c41f85f3bb6b27275a42b3cb8b5 (diff) | |
| download | mariadb-git-5d9a74f22dfefd27d0bb62a1829a2484741bbf8a.tar.gz | |
Bug#47669 Query showed by EXPLAIN EXTENDED gives different result from original query
Item_field::print method does not take into
account fields whose values may be null.
The fix is to print 'NULL' if field value is null.
Diffstat (limited to 'mysql-test/r/subselect.result')
| -rw-r--r-- | mysql-test/r/subselect.result | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index 2dc26bfb048..bda33109524 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -1496,7 +1496,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max('0') from `test`.`t2`))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`))) select * from t3 where a >= some (select b from t2); a explain extended select * from t3 where a >= some (select b from t2); @@ -1504,7 +1504,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min('0') from `test`.`t2`))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`))) select * from t3 where a >= all (select b from t2 group by 1); a 6 @@ -1515,7 +1515,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select '0' AS `b` from `test`.`t2` group by 1))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select NULL AS `b` from `test`.`t2` group by 1))) select * from t3 where a >= some (select b from t2 group by 1); a explain extended select * from t3 where a >= some (select b from t2 group by 1); @@ -1523,7 +1523,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select '0' AS `b` from `test`.`t2` group by 1))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select NULL AS `b` from `test`.`t2` group by 1))) select * from t3 where NULL >= any (select b from t2); a explain extended select * from t3 where NULL >= any (select b from t2); |