Bug#14400 - Query joins wrong rows from table which is

            subject of "concurrent insert"
Better fix by Monty: "The previous bug fix didn't work
when using partial keys."


mysql-test/r/myisam.result:
  Bug#14400 - Query joins wrong rows from table which is
              subject of "concurrent insert"
  Added test result
mysql-test/t/myisam.test:
  Bug#14400 - Query joins wrong rows from table which is
              subject of "concurrent insert"
  Added test case

1 files changed, 17 insertions, 0 deletions

diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test
index a502002d30e..bb8dc30395b 100644
--- a/mysql-test/t/myisam.test
+++ b/mysql-test/t/myisam.test
@@ -458,3 +458,20 @@ insert into t1 values ('a'), ('b');
 select c1 from t1 order by c1 limit 1;
 drop table t1;
 
+#
+# Bug #14400  Join could miss concurrently inserted row
+#
+create table t1 (a int not null, primary key(a));
+create table t2 (a int not null, b int not null, primary key(a,b));
+insert into t1 values (1),(2),(3),(4),(5),(6);
+insert into t2 values (1,1),(2,1);
+lock tables t1 read local, t2 read local;
+select straight_join * from t1,t2 force index (primary) where t1.a=t2.a;
+connect (root,localhost,root,,test,$MASTER_MYPORT,master.sock);
+insert into t2 values(2,0);
+disconnect root;
+connection default;
+select straight_join * from t1,t2 force index (primary) where t1.a=t2.a;
+drop table t1,t2;
+
+# end of 4.0 tests