diff options
| author | unknown <evgen@moonbone.local> | 2005-08-10 17:45:00 +0400 |
|---|---|---|
| committer | unknown <evgen@moonbone.local> | 2005-08-10 17:45:00 +0400 |
| commit | e66cd71698e033c788adb6364fdf261143fb5601 (patch) | |
| tree | 9daa110455c864e4bfbf2f5a8c350de43a71686e /mysql-test/r/derived.result | |
| parent | aa337b1d5e0de234458b15d4eeead1ff5df45822 (diff) | |
| download | mariadb-git-e66cd71698e033c788adb6364fdf261143fb5601.tar.gz | |
Fix bug #11864 non unique names are allowed in subquery
Column names weren't checked for uniqueness for subqueries.
Code for names uniqueness checking used for view creation moved into
separate function named check_duplicate_names(). It's called on
preparation of subqueries to check uniqueness of names. If duplicate names
are found then error is raised.
sql/sql_derived.cc:
Fix bug #11864 non unique names are allowed in subquery
Added check for names uniqueness in select list.
sql/sql_view.cc:
Fix bug #11864 non unique names are allowed in subquery
Code for checking uniqueness of names in item list moved into separate function to make in available for use from other places.
sql/sql_view.h:
Fix bug #11864 non unique names are allowed in subquery
Added check_duplicate_names() function prototype.
mysql-test/t/derived.test:
Fixed test case results after bug fix #11864
Added test case for bug#11864 non unique names are allowed in subquery.
mysql-test/t/select_safe.test:
Fixed test case results after bug fix #11864
mysql-test/r/derived.result:
Added test case for bug #11864 non unique names are allowed in subquery.
Fixed test case results after bug fix #11864
mysql-test/r/select_safe.result:
Fixed test case results after bug fix #11864
Diffstat (limited to 'mysql-test/r/derived.result')
| -rw-r--r-- | mysql-test/r/derived.result | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index fd6a834c694..af0f190d917 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -111,7 +111,7 @@ a b 1 a 2 b 3 c -explain select * from (select * from t1,t2 where t1.a=t2.a) t1; +explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY <derived2> system NULL NULL NULL NULL 1 2 DERIVED t2 system NULL NULL NULL NULL 1 @@ -363,3 +363,8 @@ a 3 3 drop table t1, t2, t3; +create table t1 (a int); +create table t2 (a int); +select * from (select * from t1,t2) foo; +ERROR 42S21: Duplicate column name 'a' +drop table t1,t2; |