From 8f3b8de2727a8200e0780e6aa8c78760c8eaa1d1 Mon Sep 17 00:00:00 2001
From: unknown <ingo@mysql.com>
Date: Tue, 22 Jun 2004 17:27:57 +0200
Subject: bug#2688 - Wrong index_merge query results for BDB table with
 variable length primary key. dded code to clear the tail of the reference
 buffer if the actual key length is less than the maximum key length.

mysql-test/r/bdb.result:
  bug#2688 - Wrong index_merge query results for BDB table with variable length primary key.
  Added the test case results.
mysql-test/t/bdb.test:
  bug#2688 - Wrong index_merge query results for BDB table with variable length primary key.
  Added the test case.
sql/ha_berkeley.cc:
  bug#2688 - Wrong index_merge query results for BDB table with variable length primary key.
  Added code to clear the tail of the reference buffer if the actual key length
  is less than the maximum key length.
---
 mysql-test/r/bdb.result | 18 ++++++++++++++++++
 mysql-test/t/bdb.test   | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

(limited to 'mysql-test')

diff --git a/mysql-test/r/bdb.result b/mysql-test/r/bdb.result
index 2ccb5148d58..7d4b42e6a8c 100644
--- a/mysql-test/r/bdb.result
+++ b/mysql-test/r/bdb.result
@@ -1190,3 +1190,21 @@ a
 A
 a
 drop table t1;
+create table t1 (
+pk1 varchar(8) not null default '',
+pk2 varchar(4) not null default '',
+key1 int(11) default null,
+key2 int(11) default null,
+primary key  (pk1,pk2),
+key key1 (key1),
+key key2 (key2)) engine=bdb;
+insert into t1 values ('','empt',2,2),  ('a','a--a',2,2),
+('bb','b--b',2,2),  ('ccc','c--c',2,2),  ('dddd','d--d',2,2);
+select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3;
+pk1	pk2	key1	key2
+	empt	2	2
+a	a--a	2	2
+bb	b--b	2	2
+ccc	c--c	2	2
+dddd	d--d	2	2
+drop table t1;
diff --git a/mysql-test/t/bdb.test b/mysql-test/t/bdb.test
index 4b490052535..bed0cbe269d 100644
--- a/mysql-test/t/bdb.test
+++ b/mysql-test/t/bdb.test
@@ -829,3 +829,21 @@ alter table t1 modify a char(10) binary;
 explain select a from t1;
 select a from t1;
 drop table t1;
+
+#
+# bug#2688 - Wrong index_merge query results for BDB table with variable length primary key
+#
+
+create table t1 (
+  pk1 varchar(8) not null default '',
+  pk2 varchar(4) not null default '',
+  key1 int(11) default null,
+  key2 int(11) default null,
+  primary key  (pk1,pk2),
+  key key1 (key1),
+  key key2 (key2)) engine=bdb;
+insert into t1 values ('','empt',2,2),  ('a','a--a',2,2),
+  ('bb','b--b',2,2),  ('ccc','c--c',2,2),  ('dddd','d--d',2,2);
+select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3;
+drop table t1;
+
-- 
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