Merge bk-internal:/home/bk/mysql-5.1

into  dl145s.mysql.com:/data0/bk/team_tree_merge/MERGE/mysql-5.1-opt


client/mysqltest.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
mysql-test/r/information_schema.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/information_schema.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/type_newdecimal.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/opt_range.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_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql-common/client.c:
  Auto merged
sql-common/my_time.c:
  Auto merged
sql/table.cc:
  Auto merged
strings/decimal.c:
  Auto merged

sql/sql_class.h

@@ -844,6 +844,12 @@ public:
   struct st_mysql_data **data_tail;
   void clear_data_list();
   struct st_mysql_data *alloc_new_dataset();
+  /*
+    In embedded server it points to the statement that is processed
+    in the current query. We store some results directly in statement
+    fields then.
+  */
+  struct st_mysql_stmt *current_stmt;
 #endif
   NET	  net;				// client connection descriptor
   MEM_ROOT warn_root;			// For warnings and errors