bk commit into 5.0 tree (timour:1.1908)

[timour]

Below is the list of changes that have just been committed into a local
5.0 repository of timka. When timka 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
  1.1908 05/08/23 18:43:12 timour@stripped +2 -0
  Merge mysql.com:/home/timka/mysql/src/5.0-virgin
  into  mysql.com:/home/timka/mysql/src/5.0-2486

  mysql-test/t/select.test
    1.68 05/08/23 18:43:08 timour@stripped +0 -0
    Auto merged

  mysql-test/r/select.result
    1.83 05/08/23 18:43:08 timour@stripped +0 -0
    Auto merged

# 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:	timour
# Host:	lamia.home
# Root:	/home/timka/mysql/src/5.0-2486/RESYNC

--- 1.82/mysql-test/r/select.result	2005-08-22 17:34:05 +03:00
+++ 1.83/mysql-test/r/select.result	2005-08-23 18:43:08 +03:00
@@ -1350,6 +1350,20 @@
 250504	250505
 250505	250505
 insert into t2 (fld1, companynr) values (999999,99);
+select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr
is null;
+companynr	companyname
+99	NULL
+select count(*) from t2 left join t4 using (companynr) where t4.companynr is not null;
+count(*)
+1199
+explain select t2.companynr,companyname from t2 left join t4 using (companynr) where
t4.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1200	
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	Using where; Not exists
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1200	Using where; Not exists
 select companynr,companyname from t2 left join t4 using (companynr) where companynr is
null;
 companynr	companyname
 select count(*) from t2 left join t4 using (companynr) where companynr is not null;
@@ -1362,6 +1376,18 @@
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 delete from t2 where fld1=999999;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr < 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 and t4.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
@@ -1374,6 +1400,18 @@
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr < 0 or t4.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
ifnull(t2.companynr,1)>0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0 or companynr is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where

--- 1.67/mysql-test/t/select.test	2005-08-22 17:34:05 +03:00
+++ 1.68/mysql-test/t/select.test	2005-08-23 18:43:08 +03:00
@@ -1538,6 +1538,11 @@
 #
 insert into t2 (fld1, companynr) values (999999,99);
 
+select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr
is null;
+select count(*) from t2 left join t4 using (companynr) where t4.companynr is not null;
+explain select t2.companynr,companyname from t2 left join t4 using (companynr) where
t4.companynr is null;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr is null;
+
 select companynr,companyname from t2 left join t4 using (companynr) where companynr is
null;
 select count(*) from t2 left join t4 using (companynr) where companynr is not null;
 explain select companynr,companyname from t2 left join t4 using (companynr) where
companynr is null;
@@ -1547,10 +1552,18 @@
 #
 # Test left join optimization
 
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr < 0;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 and t4.companynr > 0;
+
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0;
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0 or companynr < 0;
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0 and companynr > 0;
 # Following can't be optimized
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr is null;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
t2.companynr > 0 or t2.companynr < 0 or t4.companynr > 0;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where
ifnull(t2.companynr,1)>0;
+
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0 or companynr is null;
 explain select companynr,companyname from t4 left join t2 using (companynr) where
companynr > 0 or companynr < 0 or companynr > 0;
 explain select companynr,companyname from t4 left join t2 using (companynr) where
ifnull(companynr,1)>0;