Merge mysql.com:/d2/hf/mrg/mysql-5.0-opt

into  mysql.com:/d2/hf/mrg/mysql-5.1-opt

1 files changed, 7 insertions, 1 deletions

diff --git a/sql/item_func.cc b/sql/item_func.cc
index 70859aeb457..fb2f361f676 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -1954,7 +1954,13 @@ void Item_func_round::fix_length_and_dec()
   {
     max_length= args[0]->max_length;
     decimals= args[0]->decimals;
-    hybrid_type= REAL_RESULT;
+    if (args[0]->result_type() == DECIMAL_RESULT)
+    {
+      max_length++;
+      hybrid_type= DECIMAL_RESULT;
+    }
+    else
+      hybrid_type= REAL_RESULT;
     return;
   }