merge with 5.3

sql/sql_insert.cc:
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
  ******
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
sql/sql_table.cc:
  small cleanup
  ******
  small cleanup

1 files changed, 2 insertions, 0 deletions

diff --git a/sql/item_row.h b/sql/item_row.h
index 63028e3bd7d..2141213b194 100644
--- a/sql/item_row.h
+++ b/sql/item_row.h
@@ -69,12 +69,14 @@ public:
   table_map used_tables() const { return used_tables_cache; };
   bool const_item() const { return const_item_cache; };
   enum Item_result result_type() const { return ROW_RESULT; }
+  Item_result cmp_type() const { return ROW_RESULT; }
   void update_used_tables();
   table_map not_null_tables() const { return not_null_tables_cache; }
   virtual void print(String *str, enum_query_type query_type);
 
   bool walk(Item_processor processor, bool walk_subquery, uchar *arg);
   Item *transform(Item_transformer transformer, uchar *arg);
+  bool eval_not_null_tables(uchar *opt_arg);
 
   uint cols() { return arg_count; }
   Item* element_index(uint i) { return items[i]; }