From 3769841d9e706ee018d5273d2901954b9a281c3e Mon Sep 17 00:00:00 2001 From: Sergey Petrunya Date: Thu, 8 Sep 2011 23:24:47 +0400 Subject: BUG#833600: Wrong result with view + outer join + uncorrelated subquery (non-semijoin) - The bug was caused by outer join being incorrectly converted into inner because of invalid return values of Item_direct_view_ref::not_null_tables(). - Provided a correct Item_direct_view_ref::not_null_tables() function. --- mysql-test/t/view.test | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'mysql-test/t/view.test') diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test index 034f8a4ca6c..7486ffc38f8 100644 --- a/mysql-test/t/view.test +++ b/mysql-test/t/view.test @@ -4286,3 +4286,25 @@ SELECT * FROM v1, t2 DROP VIEW v1; DROP TABLE t1,t2,t3,t4; + + +--echo # +--echo # BUG#833600: Wrong result with view + outer join + uncorrelated subquery (non-semijoin) +--echo # + +CREATE TABLE t1 ( a int, b int ); +INSERT INTO t1 VALUES (0,0),(0,0); + +CREATE TABLE t2 ( a int, b int ); +INSERT IGNORE INTO t2 VALUES (1,0),(1,0); + +CREATE TABLE t3 ( b int ); +INSERT IGNORE INTO t3 VALUES (0),(0); + +CREATE OR REPLACE VIEW v2 AS SELECT * FROM t2; +SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM t3 ) AND t1.b IS NULL ; + +SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM t3 ) AND t1.b IS NULL ; + +DROP VIEW v2; +DROP TABLE t1, t2, t3; -- cgit v1.2.1