diff options
Diffstat (limited to 'mysql-test/main/order_by_innodb.result')
| -rw-r--r-- | mysql-test/main/order_by_innodb.result | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/main/order_by_innodb.result b/mysql-test/main/order_by_innodb.result index 14b9b861a14..28922ef65f2 100644 --- a/mysql-test/main/order_by_innodb.result +++ b/mysql-test/main/order_by_innodb.result @@ -198,5 +198,28 @@ id id 1 NULL 2 1 3 3 +# +# MDEV-27270: Wrong query plan with Range Checked for Each Record and ORDER BY ... LIMIT +# +# This must NOT have "Range checked for each record" without any +# provisions to produce rows in the required ordering: +explain +select +t1.id,t2.id +from +t1 left join +t2 on t2.id2 = t1.id and +t2.id = (select dd.id +from t2 dd +where +dd.id2 = t1.id and +d1 > '2019-02-06 00:00:00' + order by +dd.d1, dd.d2, dd.id limit 1 +); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL PRIMARY 4 NULL # Using index +1 PRIMARY t2 eq_ref PRIMARY,id2 PRIMARY 4 func # Using where +2 DEPENDENT SUBQUERY dd range id2,for_latest_sort for_latest_sort 6 NULL # Using where drop table t1,t2; # End of 10.2 tests |