Merge with global tree

BitKeeper/etc/logging_ok:
  auto-union
client/mysqltest.c:
  Auto merged
innobase/dict/dict0dict.c:
  Auto merged
innobase/include/dict0dict.h:
  Auto merged
libmysql/errmsg.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
mysql-test/r/grant.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/show_check.result:
  Auto merged
mysql-test/t/derived.test:
  Auto merged
mysql-test/t/merge.test:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
mysql-test/t/system_mysql_db_fix.test:
  Auto merged
scripts/mysql_install_db.sh:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
sql/tztime.h:
  Auto merged

1 files changed, 18 insertions, 0 deletions

diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test
index 41d44376525..02c3aae71ef 100644
--- a/mysql-test/t/merge.test
+++ b/mysql-test/t/merge.test
@@ -287,3 +287,21 @@ create table t3 engine=merge union=(t1, t2) select * from t2;
 --error 1093
 create table t3 engine=merge union=(t1, t2) select (select max(a) from t2);
 drop table t1, t2;
+
+# BUG#6699 : no sorting on 'ref' retrieval 
+create table t1 (a int,b int,c int, index (a,b,c));
+create table t2 (a int,b int,c int, index (a,b,c));
+create table t3 (a int,b int,c int, index (a,b,c))
+  engine=merge union=(t1 ,t2);
+insert into t1 (a,b,c) values (1,1,0),(1,2,0);
+insert into t2 (a,b,c) values (1,1,1),(1,2,1);
+
+explain select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+
+# this actually wasn't affected:
+explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+
+drop table t1, t2, t3;
+