Merge bk-internal.mysql.com:/home/bk/mysql-4.1-engines

into  chilla.local:/home/mydev/mysql-4.1-bug14400


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
myisam/mi_rkey.c:
  Bug#14400 - Query joins wrong rows from table which is subject of
              "concurrent insert"
  Manual merge

1 files changed, 36 insertions, 0 deletions

diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test
index be7bec117f3..5cd825ef33b 100644
--- a/mysql-test/t/myisam.test
+++ b/mysql-test/t/myisam.test
@@ -486,6 +486,42 @@ select c1 from t1 order by c1 limit 1;
 drop table t1;
 
 #
+# Bug #14400  Join could miss concurrently inserted row
+#
+# Partial key.
+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;
+#
+# Full key.
+CREATE TABLE t1 (c1 varchar(250) NOT NULL);
+CREATE TABLE t2 (c1 varchar(250) NOT NULL, PRIMARY KEY (c1));
+INSERT INTO t1 VALUES ('test000001'), ('test000002'), ('test000003');
+INSERT INTO t2 VALUES ('test000002'), ('test000003'), ('test000004');
+LOCK TABLES t1 READ LOCAL, t2 READ LOCAL;
+SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
+  WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
+connect (con1,localhost,root,,);
+connection con1;
+INSERT INTO t2 VALUES ('test000001'), ('test000005');
+disconnect con1;
+connection default;
+SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
+  WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
+DROP TABLE t1,t2;
+
+# End of 4.0 tests
+
+#
 # Test RTREE index
 #
 --error 1235, 1289