Merge rurik.mysql.com:/home/igor/mysql-5.0

into  rurik.mysql.com:/home/igor/dev/mysql-5.0-2

mysql-test/r/having.result

@@ -12,7 +12,7 @@ explain extended select count(a) as b from t1 where a=0 having b >=0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
-Note	1003	select count(`test`.`t1`.`a`) AS `b` from `test`.`t1` where 0 having (count(`test`.`t1`.`a`) >= 0)
+Note	1003	select count(`test`.`t1`.`a`) AS `b` from `test`.`t1` where 0 having (`b` >= 0)
 drop table t1;
 CREATE TABLE t1 (
 raw_id int(10) NOT NULL default '0',

mysql-test/r/join_outer.result

@@ -1151,8 +1151,8 @@ EXPLAIN
 SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id 
 WHERE t1.name LIKE 'A%' OR FALSE;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	PRIMARY,name	name	23	NULL	3	Using where; Using index
-1	SIMPLE	t2	ref	fkey	fkey	5	test.t1.id	1	Using where; Using index
+1	SIMPLE	t2	index	NULL	fkey	5	NULL	5	Using index
+1	SIMPLE	t1	eq_ref	PRIMARY	PRIMARY	4	test.t2.fkey	1	Using where
 DROP TABLE t1,t2;
 DROP VIEW IF EXISTS v1,v2;
 DROP TABLE IF EXISTS t1,t2;
@@ -1176,3 +1176,38 @@ a	b
 3	3
 DROP VIEW v1,v2;
 DROP TABLE t1,t2;
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 (b int);
+INSERT INTO t1 VALUES (1), (2), (3), (4);
+INSERT INTO t2 VALUES (2), (3);
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1);
+a	b
+1	NULL
+2	2
+3	3
+4	NULL
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1 OR 1);
+a	b
+1	NULL
+2	2
+3	3
+4	NULL
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (0 OR 1);
+a	b
+1	NULL
+2	2
+3	3
+4	NULL
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 2=2);
+a	b
+1	NULL
+2	2
+3	3
+4	NULL
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 1=0);
+a	b
+1	NULL
+2	2
+3	3
+4	NULL
+DROP TABLE t1,t2;

mysql-test/r/view.result

@@ -2660,3 +2660,28 @@ SELECT * FROM v1;
 id	t	COUNT(*)
 DROP VIEW v1;
 DROP TABLE t1;
+CREATE TABLE t1(
+fName varchar(25) NOT NULL,
+lName varchar(25) NOT NULL,
+DOB date NOT NULL,
+uID int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY);
+INSERT INTO t1(fName, lName, DOB) VALUES
+('Hank', 'Hill', '1964-09-29'),
+('Tom', 'Adams', '1908-02-14'),
+('Homer', 'Simpson', '1968-03-05');
+CREATE VIEW v1 AS
+SELECT (year(now())-year(DOB)) AS Age
+FROM t1 HAVING Age < 75;
+SHOW CREATE VIEW v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache (year(now()) - year(`t1`.`DOB`)) AS `Age` from `t1` having (`Age` < 75)
+SELECT (year(now())-year(DOB)) AS Age FROM t1 HAVING Age < 75;
+Age
+42
+38
+SELECT * FROM v1;
+Age
+42
+38
+DROP VIEW v1;
+DROP TABLE t1;

mysql-test/t/join_outer.test

@@ -805,3 +805,21 @@ SELECT v1.a, v2. b
 
 DROP VIEW v1,v2;
 DROP TABLE t1,t2;
+
+#
+# Bug 19816: LEFT OUTER JOIN with constant ORed predicates in WHERE clause
+# 
+
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 (b int);
+INSERT INTO t1 VALUES (1), (2), (3), (4);
+INSERT INTO t2 VALUES (2), (3);
+
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1);
+
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1 OR 1);
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (0 OR 1);
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 2=2);
+SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 1=0);
+
+DROP TABLE t1,t2;

mysql-test/t/view.test

@@ -2528,3 +2528,31 @@ SELECT * FROM v1;
 
 DROP VIEW v1;
 DROP TABLE t1;
+
+#
+# Bug #19573: VIEW with HAVING that refers an alias name
+# 
+
+CREATE TABLE t1(
+  fName varchar(25) NOT NULL,
+  lName varchar(25) NOT NULL,
+  DOB date NOT NULL,
+  uID int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY);
+ 
+INSERT INTO t1(fName, lName, DOB) VALUES
+  ('Hank', 'Hill', '1964-09-29'),
+  ('Tom', 'Adams', '1908-02-14'),
+  ('Homer', 'Simpson', '1968-03-05');
+
+CREATE VIEW v1 AS
+  SELECT (year(now())-year(DOB)) AS Age
+    FROM t1 HAVING Age < 75; 
+SHOW CREATE VIEW v1;           
+
+SELECT (year(now())-year(DOB)) AS Age FROM t1 HAVING Age < 75;
+SELECT * FROM v1;
+
+DROP VIEW v1;
+DROP TABLE t1;
+
+

sql/item.cc

@@ -4840,7 +4840,16 @@ void Item_ref::cleanup()
 void Item_ref::print(String *str)
 {
   if (ref)
-    (*ref)->print(str);
+  {
+    if ((*ref)->type() != Item::CACHE_ITEM && ref_type() != VIEW_REF &&
+        name && alias_name_used)
+    {
+      THD *thd= current_thd;
+      append_identifier(thd, str, name, (uint) strlen(name));
+    }
+    else
+      (*ref)->print(str);
+  }
   else
     Item_ident::print(str);
 }

sql/item_cmpfunc.cc

@@ -2570,7 +2570,9 @@ Item_cond::fix_fields(THD *thd, Item **ref)
 	(item= *li.ref())->check_cols(1))
       return TRUE; /* purecov: inspected */
     used_tables_cache|=     item->used_tables();
-    if (!item->const_item())
+    if (item->const_item())
+      and_tables_cache= (table_map) 0;
+    else
     {
       tmp_table_map= item->not_null_tables();
       not_null_tables_cache|= tmp_table_map;