Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.0

into  ramayana.hindu.god:/home/tsmith/m/bk/maint/50


client/mysqldump.c:
  Auto merged
include/my_sys.h:
  Auto merged
libmysql/CMakeLists.txt:
  Auto merged
libmysql/Makefile.shared:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/t/cast.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
mysql-test/mysql-test-run.pl:
  Manual merge
mysql-test/r/ctype_ucs.result:
  Manual merge
mysql-test/r/func_misc.result:
  Manual merge
mysql-test/t/binlog_killed.test:
  Manual merge
mysql-test/t/ctype_ucs.test:
  Manual merge
mysql-test/t/func_misc.test:
  Manual merge
sql/item_strfunc.h:
  Manual merge
strings/ctype-simple.c:
  Manual merge

1 files changed, 12 insertions, 1 deletions

diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 0020dd35c61..57c3b391507 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -1717,7 +1717,7 @@ void subselect_engine::set_row(List<Item> &item_list, Item_cache **row)
     item->decimals= sel_item->decimals;
     item->unsigned_flag= sel_item->unsigned_flag;
     maybe_null= sel_item->maybe_null;
-    if (!(row[i]= Item_cache::get_cache(res_type)))
+    if (!(row[i]= Item_cache::get_cache(sel_item)))
       return;
     row[i]->setup(sel_item);
   }
@@ -2178,6 +2178,7 @@ int subselect_indexsubquery_engine::exec()
   ((Item_in_subselect *) item)->value= 0;
   empty_result_set= TRUE;
   null_keypart= 0;
+  table->status= 0;
 
   if (check_null)
   {
@@ -2190,6 +2191,16 @@ int subselect_indexsubquery_engine::exec()
   if (copy_ref_key())
     DBUG_RETURN(1);
 
+  if (table->status)
+  {
+    /* 
+      We know that there will be no rows even if we scan. 
+      Can be set in copy_ref_key.
+    */
+    ((Item_in_subselect *) item)->value= 0;
+    DBUG_RETURN(0);
+  }
+
   if (null_keypart)
     DBUG_RETURN(scan_table());