Merge mysql.com:/home/mysql_src/mysql-5.0-van

into  mysql.com:/home/mysql_src/mysql-5.1-merge-of-5.0
(2nd try; Pekka kindly accepted to fix storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp
and storage/ndb/src/kernel/vm/SimulatedBlock.cpp after I push).


configure.in:
  Auto merged
mysql-test/r/ndb_charset.result:
  Auto merged
mysql-test/t/view.test:
  Auto merged
mysys/base64.c:
  Auto merged
sql/ha_archive.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/lock.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_handler.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
storage/myisam/ft_parser.c:
  Auto merged
storage/ndb/include/kernel/AttributeDescriptor.hpp:
  Auto merged
storage/ndb/src/kernel/vm/SimulatedBlock.hpp:
  Auto merged
storage/ndb/tools/ndb_size.pl:
  Auto merged
storage/ndb/tools/ndb_size.tmpl:
  Auto merged
mysql-test/t/disabled.def:
  merge
storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp:
  used "ul", Pekka said he'll fix
storage/ndb/src/kernel/vm/SimulatedBlock.cpp:
  used "ul", Pekka said he'll fix

1 files changed, 7 insertions, 3 deletions

diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index c97c6426477..ad520302692 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -11011,7 +11011,7 @@ static int test_if_order_by_key(ORDER *order, TABLE *table, uint idx,
 
   for (; order ; order=order->next, const_key_parts>>=1)
   {
-    Field *field=((Item_field*) (*order->item))->field;
+    Field *field=((Item_field*) (*order->item)->real_item())->field;
     int flag;
 
     /*
@@ -11151,8 +11151,12 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
   DBUG_ENTER("test_if_skip_sort_order");
   LINT_INIT(ref_key_parts);
 
-  /* Check which keys can be used to resolve ORDER BY */
-  usable_keys.set_all();
+  /*
+    Check which keys can be used to resolve ORDER BY.
+    We must not try to use disabled keys.
+  */
+  usable_keys= table->s->keys_in_use;
+
   for (ORDER *tmp_order=order; tmp_order ; tmp_order=tmp_order->next)
   {
     Item *item= (*tmp_order->item)->real_item();