MDEV-6322: The PARTITION engine can return wrong query results

MySQL Bug#71095: Wrong results with PARTITION BY LIST COLUMNS()
MySQL Bug#72803: Wrong "Impossible where" with LIST partitioning
MDEV-6240: Wrong "Impossible where" with LIST partitioning
- Backprot the fix from MySQL Bug#71095.

1 files changed, 44 insertions, 0 deletions

diff --git a/mysql-test/r/partition.result b/mysql-test/r/partition.result
index 4379cf17ec0..435ed6270ca 100644
--- a/mysql-test/r/partition.result
+++ b/mysql-test/r/partition.result
@@ -2521,3 +2521,47 @@ id	id2	dob	address	city	hours_worked_per_week	weeks_worked_last_year
 16	16	1949-11-07	address16	city16	40	52
 50	50	1923-09-08	address50	city50	40	52
 drop table t1;
+#
+# MDEV-6322: The PARTITION engine can return wrong query results
+#
+CREATE TABLE t1 (
+CustomerID varchar(5) DEFAULT NULL,
+CompanyName varchar(40) DEFAULT NULL,
+ContactName varchar(30) DEFAULT NULL,
+ContactTitle varchar(30) DEFAULT NULL,
+Address varchar(60) DEFAULT NULL,
+City varchar(15) DEFAULT NULL,
+Region varchar(15) DEFAULT NULL,
+PostalCode varchar(10) DEFAULT NULL,
+Country varchar(15) NOT NULL,
+Phone varchar(24) DEFAULT NULL,
+Fax varchar(24) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+PARTITION BY LIST  COLUMNS(Country)
+(PARTITION p1 VALUES IN ('Germany','Austria','Switzerland','Poland'),
+PARTITION p2 VALUES IN ('USA','Canada','Mexico'),
+PARTITION p3 VALUES IN ('Spain','Portugal','Italy'),
+PARTITION p4 VALUES IN ('UK','Ireland'),
+PARTITION p5 VALUES IN ('France','Belgium'),
+PARTITION p6 VALUES IN ('Sweden','Finland','Denmark','Norway'),
+PARTITION p7 VALUES IN ('Venezuela','Argentina','Brazil')
+);
+INSERT INTO t1 (CustomerID, City, Country) VALUES 
+('ANATR','México D.F','Mexico'),
+('ANTON','México D.F','Mexico'),
+('BOTTM','Tsawassen','Canada'),
+('CENTC','México D.F','Mexico'),
+('GREAL','Eugene','USA'),
+('HUNGC','Elgin','USA'),
+('LAUGB','Vancouver','Canada'),
+('LAZYK','Walla Walla','USA'),
+('LETSS','San Francisco','USA'),
+('LONEP','Portland','USA');
+SELECT * FROM t1 WHERE Country = 'USA';
+CustomerID	CompanyName	ContactName	ContactTitle	Address	City	Region	PostalCode	Country	Phone	Fax
+GREAL	NULL	NULL	NULL	NULL	Eugene	NULL	NULL	USA	NULL	NULL
+HUNGC	NULL	NULL	NULL	NULL	Elgin	NULL	NULL	USA	NULL	NULL
+LAZYK	NULL	NULL	NULL	NULL	Walla Walla	NULL	NULL	USA	NULL	NULL
+LETSS	NULL	NULL	NULL	NULL	San Francisco	NULL	NULL	USA	NULL	NULL
+LONEP	NULL	NULL	NULL	NULL	Portland	NULL	NULL	USA	NULL	NULL
+DROP TABLE t1;