Code cleanup (working on PS & cleanup() code)

Item & changed with Item* in Item_xxx constructors
tables_list.first -> get_table_list()


sql/item.cc:
  Item& -> Item*
sql/item.h:
  Item& -> Item*
sql/item_cmpfunc.cc:
  Item& -> Item*
sql/item_cmpfunc.h:
  Item& -> Item*
sql/item_func.cc:
  Item& -> Item*
sql/item_func.h:
  Item& -> Item*
sql/item_sum.cc:
  Item& -> Item*
sql/item_sum.h:
  Item& -> Item*
sql/item_uniq.h:
  Item& -> Item*
sql/sql_prepare.cc:
  Code cleanup
sql/sql_select.cc:
  Item& -> Item*

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/item_uniq.h b/sql/item_uniq.h
index 5c6f6eefb6b..47f967b52c6 100644
--- a/sql/item_uniq.h
+++ b/sql/item_uniq.h
@@ -38,7 +38,7 @@ class Item_sum_unique_users :public Item_sum_num
 public:
   Item_sum_unique_users(Item *name_arg,int start,int end,Item *item_arg)
     :Item_sum_num(item_arg) {}
-  Item_sum_unique_users(THD *thd, Item_sum_unique_users &item)
+  Item_sum_unique_users(THD *thd, Item_sum_unique_users *item)
     :Item_sum_num(thd, item) {}
   double val() { return 0.0; }  
   enum Sumfunctype sum_func () const {return UNIQUE_USERS_FUNC;}
@@ -53,7 +53,7 @@ public:
   }
   Item *copy_or_same(THD* thd)
   {
-    return new Item_sum_unique_users(thd, *this);
+    return new Item_sum_unique_users(thd, this);
   }
   void print(String *str) { str->append("0.0", 3); }
 };