diff --git a/mysql-test/r/derived_view.result b/mysql-test/r/derived_view.result index 034e8d6ff56962f613499ebcde4a86aa95dfd06d..1e6604d6435fa0c49c8390af3ac32f6801c30179 100644 --- a/mysql-test/r/derived_view.result +++ b/mysql-test/r/derived_view.result @@ -1243,4 +1243,31 @@ a b 1 NULL DROP VIEW v1; DROP TABLE t1,t2; +# +# LP bug #823835: a duplicate of #823189 with derived table +# +CREATE TABLE t1 (a varchar(32)) ; +INSERT INTO t1 VALUES ('r'), ('p'); +CREATE TABLE t2 (a int NOT NULL, b varchar(32)) ; +INSERT INTO t2 VALUES (28,'j'); +CREATE TABLE t3 (a int); +INSERT INTO t3 VALUES (0), (0); +EXPLAIN EXTENDED +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) +WHERE t2.b < t.a); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where +3 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 100.00 +3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 't.a' of SELECT #3 was resolved in SELECT #1 +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select 28 from `test`.`t2` left join `test`.`t3` on((`test`.`t3`.`a` = 28)) where ('j' < `test`.`t1`.`a`)) +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) +WHERE t2.b < t.a); +a +r +p +DROP TABLE t1,t2,t3; set optimizer_switch=@exit_optimizer_switch; diff --git a/mysql-test/t/derived_view.test b/mysql-test/t/derived_view.test index 375a63e47e0200d639201294c21685b7ef414d98..72719ec9786a3687cbd6bd7aa9c86da4dc901bce 100644 --- a/mysql-test/t/derived_view.test +++ b/mysql-test/t/derived_view.test @@ -760,5 +760,28 @@ SELECT * FROM v1 WHERE b IS NULL; DROP VIEW v1; DROP TABLE t1,t2; +--echo # +--echo # LP bug #823835: a duplicate of #823189 with derived table +--echo # + +CREATE TABLE t1 (a varchar(32)) ; +INSERT INTO t1 VALUES ('r'), ('p'); + +CREATE TABLE t2 (a int NOT NULL, b varchar(32)) ; +INSERT INTO t2 VALUES (28,'j'); + +CREATE TABLE t3 (a int); +INSERT INTO t3 VALUES (0), (0); + +EXPLAIN EXTENDED +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) + WHERE t2.b < t.a); +SELECT * FROM (SELECT * FROM t1) AS t +WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) + WHERE t2.b < t.a); + +DROP TABLE t1,t2,t3; + # The following command must be the last one the file set optimizer_switch=@exit_optimizer_switch;