Merge with 4.1

BitKeeper/etc/logging_ok:
  auto-union
BitKeeper/triggers/post-commit:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
mysql-test/r/ctype_ucs.result:
  Auto merged
mysql-test/r/distinct.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/t/ctype_ucs.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/union.test:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/examples/ha_archive.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_string.h:
  Auto merged
vio/viosocket.c:
  Auto merged
scripts/mysql_create_system_tables.sh:
  simple merge
sql/field.cc:
  simple merge
sql/item.h:
  simple merge
sql/sql_lex.h:
  simple merge
sql/sql_yacc.yy:
  Merge
  (join_table_list was not comptely merged. Need to run test to know how things works...)
sql/table.cc:
  Keep code from 5.0, except delted one not needed line
strings/ctype-ucs2.c:
  Auto merge

1 files changed, 22 insertions, 0 deletions

diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index 5a60ef8abfb..663793e0b5e 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -1173,3 +1173,25 @@ show columns from t4;
 Field	Type	Null	Key	Default	Extra
 sdate	date	YES		NULL	
 drop table t1, t2, t3, t4;
+create table t1 (a int not null, b char (10) not null);
+insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
+select * from ((select * from t1 limit 1)) a;
+a	b
+1	a
+select * from ((select * from t1 limit 1) union (select * from t1 limit 1)) a;
+a	b
+1	a
+select * from ((select * from t1 limit 1) union (select * from t1 limit 1) union (select * from t1 limit 1)) a;
+a	b
+1	a
+select * from ((((select * from t1))) union (select * from t1) union (select * from t1)) a;
+a	b
+1	a
+2	b
+3	c
+select * from ((select * from t1) union (((select * from t1))) union (select * from t1)) a;
+a	b
+1	a
+2	b
+3	c
+drop table t1;