merge with 4.1 tree

client/mysqltest.c:
  Auto merged
include/mysql.h:
  Auto merged
libmysql/errmsg.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
sql/field.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
tests/client_test.c:
  Auto merged

1 files changed, 121 insertions, 0 deletions

diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index fc72f55172b..952ed566132 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -312,6 +312,127 @@ a	b
 5	f
 6	e
 drop table t1,t2,t3,t4;
+create table t1 (a int);
+insert into t1 values (1),(2),(3);
+create table t2 (a int);
+insert into t2 values (3),(4),(5);
+(SELECT SQL_CALC_FOUND_ROWS * FROM t1) UNION all (SELECT * FROM t2) LIMIT 1;
+a
+1
+select found_rows();
+found_rows()
+6
+(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION all (SELECT * FROM t2) LIMIT 2;
+a
+1
+3
+select found_rows();
+found_rows()
+4
+(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION all (SELECT * FROM t2);
+a
+1
+3
+4
+5
+select found_rows();
+found_rows()
+4
+(SELECT SQL_CALC_FOUND_ROWS * FROM t1) UNION all (SELECT * FROM t2 LIMIT 1);
+a
+1
+2
+3
+3
+select found_rows();
+found_rows()
+4
+(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION SELECT * FROM t2 LIMIT 1;
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION all SELECT * FROM t2 LIMIT 2;
+a
+1
+3
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION all SELECT * FROM t2 LIMIT 2;
+a
+1
+2
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 2;
+a
+1
+2
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 100;
+a
+1
+2
+3
+4
+5
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 100 UNION SELECT * FROM t2;
+a
+1
+2
+3
+4
+5
+select found_rows();
+found_rows()
+5
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION SELECT * FROM t2;
+a
+1
+3
+4
+5
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION SELECT * FROM t2 LIMIT 2;
+a
+1
+3
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 2,2;
+a
+3
+4
+select found_rows();
+found_rows()
+6
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 limit 2,2 UNION SELECT * FROM t2;
+a
+3
+4
+5
+select found_rows();
+found_rows()
+5
+SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a desc LIMIT 1;
+a
+5
+(SELECT * FROM t1 ORDER by a) UNION ALL (SELECT * FROM t2 ORDER BY a) ORDER BY A desc LIMIT 4;
+a
+5
+4
+3
+3
+(SELECT * FROM t1) UNION all (SELECT SQL_CALC_FOUND_ROWS * FROM t2) LIMIT 1;
+ERROR 42000: Wrong usage/placement of 'SQL_CALC_FOUND_ROWS'
+drop table t1,t2;
 CREATE TABLE t1 (  id int(3) unsigned default '0') TYPE=MyISAM;
 INSERT INTO t1 (id) VALUES("1");
 CREATE TABLE t2 ( id int(3) unsigned default '0',  id_master int(5) default '0',  text1 varchar(5) default NULL,  text2 varchar(5) default NULL) TYPE=MyISAM;