postreview fix (SCRUM)

NULL fixed
max_length fixed
layout fixed


mysql-test/r/row.result:
  NULL fixed
mysql-test/t/row.test:
  NULL fixed
sql/item.cc:
  postreview fix
sql/item.h:
  postreview fix
sql/item_cmpfunc.cc:
  layout fix
  postreview fix
  max_length fix
  NULL fixed
sql/item_cmpfunc.h:
  postreview fix
sql/item_row.cc:
  NULL fixed
sql/item_row.h:
  NULL fixed
sql/sql_class.cc:
  postreview fix

1 files changed, 5 insertions, 4 deletions

diff --git a/sql/item_row.h b/sql/item_row.h
index d097fca8f1d..4767d19d08f 100644
--- a/sql/item_row.h
+++ b/sql/item_row.h
@@ -65,8 +65,9 @@ public:
   enum Item_result result_type() const { return ROW_RESULT; }
   void update_used_tables();
 
-  virtual uint cols() { return arg_count; }
-  virtual Item* el(uint i) { return items[i]; }
-  virtual Item** addr(uint i) { return items + i; }
-  virtual bool check_cols(uint c);
+  uint cols() { return arg_count; }
+  Item* el(uint i) { return items[i]; }
+  Item** addr(uint i) { return items + i; }
+  bool check_cols(uint c);
+  bool null_inside();
 };