bk commit into 5.0 tree (igor:1.2202)

[igor]

Below is the list of changes that have just been committed into a local
5.0 repository of igor. When igor does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet@stripped, 2006-07-17 13:24:43-07:00, igor@stripped +2 -0
  Merge ibabaev@stripped:/home/bk/mysql-5.0-opt
  into  rurik.mysql.com:/home/igor/mysql-5.0-opt
  MERGE: 1.2196.1.45

  mysql-test/r/subselect.result@stripped, 2006-07-17 13:24:36-07:00, igor@stripped +35
-36
    Manual merge
    MERGE: 1.147.1.1

  mysql-test/t/subselect.test@stripped, 2006-07-17 13:24:36-07:00, igor@stripped +38
-38
    Manual merge
    MERGE: 1.120.1.1

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	igor
# Host:	rurik.mysql.com
# Root:	/home/igor/mysql-5.0-opt/RESYNC

--- 1.148/mysql-test/r/subselect.result	2006-07-17 13:24:51 -07:00
+++ 1.149/mysql-test/r/subselect.result	2006-07-17 13:24:51 -07:00
@@ -3283,3 +3283,38 @@
 2	Joe	2006-04-20	2006-04-06
 3	Frank	2006-04-13	NULL
 DROP TABLE t1,t2;
+i1 int(11) NOT NULL default '0',
+i2 int(11) NOT NULL default '0',
+t datetime NOT NULL default '0000-00-00 00:00:00',
+PRIMARY KEY  (i1,i2,t)
+);
+INSERT INTO t1 VALUES 
+(24,1,'2005-03-03 16:31:31'),(24,1,'2005-05-27 12:40:07'),
+(24,1,'2005-05-27 12:40:08'),(24,1,'2005-05-27 12:40:10'),
+(24,1,'2005-05-27 12:40:25'),(24,1,'2005-05-27 12:40:30'),
+(24,2,'2005-03-03 13:43:05'),(24,2,'2005-03-03 16:23:31'),
+(24,2,'2005-03-03 16:31:30'),(24,2,'2005-05-27 12:37:02'),
+(24,2,'2005-05-27 12:40:06');
+CREATE TABLE t2 (
+i1 int(11) NOT NULL default '0',
+i2 int(11) NOT NULL default '0',
+t datetime default NULL,
+PRIMARY KEY  (i1)
+);
+INSERT INTO t2 VALUES (24,1,'2006-06-20 12:29:40');
+EXPLAIN
+SELECT * FROM t1,t2
+WHERE t1.t = (SELECT t1.t FROM t1 
+WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
+ORDER BY t1.t DESC LIMIT 1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t1	index	NULL	PRIMARY	16	NULL	11	Using where; Using index
+2	DEPENDENT SUBQUERY	t1	range	PRIMARY	PRIMARY	16	NULL	5	Using where; Using index
+SELECT * FROM t1,t2
+WHERE t1.t = (SELECT t1.t FROM t1 
+WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
+ORDER BY t1.t DESC LIMIT 1);
+i1	i2	t	i1	i2	t
[phone]:40:30	24	1	2006-06-20 12:29:40
+DROP TABLE t1, t2;

--- 1.121/mysql-test/t/subselect.test	2006-07-17 13:24:51 -07:00
+++ 1.122/mysql-test/t/subselect.test	2006-07-17 13:24:51 -07:00
@@ -2201,3 +2201,41 @@
          ORDER BY date DESC LIMIT 1, 1) AS date_next_to_last
   FROM t1;
 DROP TABLE t1,t2;
+
+#
+# Bug#20869: subselect with range access by DESC
+#
+
+CREATE TABLE t1 (
+  i1 int(11) NOT NULL default '0',
+  i2 int(11) NOT NULL default '0',
+  t datetime NOT NULL default '0000-00-00 00:00:00',
+  PRIMARY KEY  (i1,i2,t)
+);
+INSERT INTO t1 VALUES 
+(24,1,'2005-03-03 16:31:31'),(24,1,'2005-05-27 12:40:07'),
+(24,1,'2005-05-27 12:40:08'),(24,1,'2005-05-27 12:40:10'),
+(24,1,'2005-05-27 12:40:25'),(24,1,'2005-05-27 12:40:30'),
+(24,2,'2005-03-03 13:43:05'),(24,2,'2005-03-03 16:23:31'),
+(24,2,'2005-03-03 16:31:30'),(24,2,'2005-05-27 12:37:02'),
+(24,2,'2005-05-27 12:40:06');
+
+CREATE TABLE t2 (
+  i1 int(11) NOT NULL default '0',
+  i2 int(11) NOT NULL default '0',
+  t datetime default NULL,
+  PRIMARY KEY  (i1)
+);
+INSERT INTO t2 VALUES (24,1,'2006-06-20 12:29:40');
+
+EXPLAIN
+SELECT * FROM t1,t2
+  WHERE t1.t = (SELECT t1.t FROM t1 
+                  WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
+                    ORDER BY t1.t DESC LIMIT 1);
+SELECT * FROM t1,t2
+  WHERE t1.t = (SELECT t1.t FROM t1 
+                  WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
+                    ORDER BY t1.t DESC LIMIT 1);
+
+DROP TABLE t1, t2;