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authorSergei Golubchik <sergii@pisem.net>2014-03-26 22:25:38 +0100
committerSergei Golubchik <sergii@pisem.net>2014-03-26 22:25:38 +0100
commit10740939eb824bbd792352f654380e258edd7675 (patch)
treea4c68f331f0470b8bd30822de5938a6552f69738 /mysql-test/t/subselect4.test
parenta91c59c2affdebb4b34c2c8000b0b1648d43046d (diff)
parent44002a34e680c79c01df879b540458c2885e97e8 (diff)
downloadmariadb-git-10740939eb824bbd792352f654380e258edd7675.tar.gz
5.5 merge
Diffstat (limited to 'mysql-test/t/subselect4.test')
-rw-r--r--mysql-test/t/subselect4.test21
1 files changed, 21 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test
index d56b3df3505..4eb9701ee71 100644
--- a/mysql-test/t/subselect4.test
+++ b/mysql-test/t/subselect4.test
@@ -1886,6 +1886,27 @@ DROP VIEW v2;
DROP TABLE t1,t2;
--echo #
+--echo # MDEV-5686: degenerate disjunct in NOT IN subquery
+--echo #
+
+CREATE TABLE t1 (a int, b int, c varchar(3)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1,1,'CAN'),(2,2,'AUS');
+
+CREATE TABLE t2 (f int) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (3);
+
+EXPLAIN EXTENDED
+SELECT * FROM t2
+ WHERE f NOT IN (SELECT b FROM t1
+ WHERE 0 OR (c IN ('USA') OR c NOT IN ('USA')) AND a = b);
+
+SELECT * FROM t2
+ WHERE f NOT IN (SELECT b FROM t1
+ WHERE 0 OR (c IN ('USA') OR c NOT IN ('USA')) AND a = b);
+
+DROP TABLE t1,t2;
+
+--echo #
--echo # MDEV-3899 Valgrind warnings (blocks are definitely lost) in filesort on IN subquery with SUM and DISTINCT
--echo #