diff options
Diffstat (limited to 'mysql-test/r/derived.result')
| -rw-r--r-- | mysql-test/r/derived.result | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index 0b392305bbf..ce94fe49f5c 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -1014,4 +1014,27 @@ David Yes 210 Edward Yes 150 DROP TABLE example1463; set sql_mode= @save_sql_mode; +# +# MDEV-9028: SELECT DISTINCT constant column of derived table +# used as the second operand of LEFT JOIN +# +create table t1 (id int, data varchar(255)); +insert into t1 values (1,'yes'),(2,'yes'); +select distinct t1.id, tt.id, tt.data +from t1 +left join +(select t1.id, 'yes' as data from t1) as tt +on t1.id = tt.id; +id id data +1 1 yes +2 2 yes +select distinct t1.id, tt.id, tt.data +from t1 +left join +(select t1.id, 'yes' as data from t1 where id > 1) as tt +on t1.id = tt.id; +id id data +2 2 yes +1 NULL NULL +drop table t1; # end of 5.5 |