diff options
Diffstat (limited to 'mysql-test/t/join_nested.test')
-rw-r--r-- | mysql-test/t/join_nested.test | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/mysql-test/t/join_nested.test b/mysql-test/t/join_nested.test index 145edded486..8adcf05be93 100644 --- a/mysql-test/t/join_nested.test +++ b/mysql-test/t/join_nested.test @@ -914,3 +914,31 @@ explain select * from t1 left join on (t1.a = t2.a); drop table t1, t2, t3; +# +# Bug #16260: single row table in the inner nest of an outer join +# + +CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, type varchar(10)); +CREATE TABLE t2 (pid int NOT NULL PRIMARY KEY, type varchar(10)); +CREATE TABLE t3 (cid int NOT NULL PRIMARY KEY, + id int NOT NULL, + pid int NOT NULL); + +INSERT INTO t1 VALUES (1, 'A'), (3, 'C'); +INSERT INTO t2 VALUES (1, 'A'), (3, 'C'); +INSERT INTO t3 VALUES (1, 1, 1), (3, 3, 3); + +SELECT * FROM t1 p LEFT JOIN (t3 JOIN t1) + ON (t1.id=t3.id AND t1.type='B' AND p.id=t3.id) + LEFT JOIN t2 ON (t3.pid=t2.pid) + WHERE p.id=1; + +CREATE VIEW v1 AS + SELECT t3.* FROM t3 JOIN t1 ON t1.id=t3.id AND t1.type='B'; + +SELECT * FROM t1 p LEFT JOIN v1 ON p.id=v1.id + LEFT JOIN t2 ON v1.pid=t2.pid + WHERE p.id=1; + +DROP VIEW v1; +DROP TABLE t1,t2,t3; |