diff options
| author | Igor Babaev <igor@askmonty.org> | 2014-10-14 09:36:50 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2014-10-14 09:36:50 -0700 |
| commit | 3c4bb0e8720b84a14fe4822d1986d01290b9ab44 (patch) | |
| tree | e474ca9e76d09e770c4e3d5c37e3161d1cc42ace /mysql-test/r/derived.result | |
| parent | fec5ab5a56cb9a45c621207620cc85079cddf537 (diff) | |
| download | mariadb-git-3c4bb0e8720b84a14fe4822d1986d01290b9ab44.tar.gz | |
MDEV-334: Backport of UNION ALL optimization from mysql-5.7.
Although the original code of mysql-5.7 was adjusted
to the current MariaDB code the main ideas of the optimization
were preserved.
Diffstat (limited to 'mysql-test/r/derived.result')
| -rw-r--r-- | mysql-test/r/derived.result | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index d0f42c3d3ec..6c3fb464cc3 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -102,7 +102,6 @@ id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 8 2 DERIVED t1 ALL NULL NULL NULL NULL 4 3 UNION t1 ALL NULL NULL NULL NULL 4 -NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL CREATE TABLE t2 (a int not null); insert into t2 values(1); select * from (select * from t1 where t1.a=(select a from t2 where t2.a=t1.a)) a; |