Remove not used mem_root argument from build_clone(), get_copy() and get_item_copy()

TODO:
- Make get_thd_memroot() inline
  - To do this, we need to reduce dependence of include files, especially
    so that sql_class.h is not depending in item.h

1 files changed, 38 insertions, 38 deletions

diff --git a/sql/item_sum.h b/sql/item_sum.h
index e91728a1aa1..9822f9e5430 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -792,8 +792,8 @@ public:
   }
   Item *copy_or_same(THD* thd);
   void remove();
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_sum>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_sum>(thd, this); }
 
   bool supports_removal() const
   {
@@ -856,8 +856,8 @@ class Item_sum_count :public Item_sum_int
     return has_with_distinct() ? "count(distinct " : "count(";
   }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_count>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_count>(thd, this); }
 
   bool supports_removal() const
   {
@@ -912,8 +912,8 @@ public:
     count= 0;
     Item_sum_sum::cleanup();
   }
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_avg>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_avg>(thd, this); }
 
   bool supports_removal() const
   {
@@ -978,8 +978,8 @@ public:
     count= 0;
     Item_sum_num::cleanup();
   }
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_variance>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_variance>(thd, this); }
 };
 
 /*
@@ -999,8 +999,8 @@ class Item_sum_std :public Item_sum_variance
   Item *result_item(THD *thd, Field *field);
   const char *func_name() const { return "std("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_std>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_std>(thd, this); }
 };
 
 // This class is a string or number function depending on num_func
@@ -1069,8 +1069,8 @@ public:
   bool add();
   const char *func_name() const { return "min("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_min>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_min>(thd, this); }
 };
 
 
@@ -1084,8 +1084,8 @@ public:
   bool add();
   const char *func_name() const { return "max("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_max>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_max>(thd, this); }
 };
 
 
@@ -1165,8 +1165,8 @@ public:
   bool add();
   const char *func_name() const { return "bit_or("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_or>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_or>(thd, this); }
 
 private:
   void set_bits_from_counters();
@@ -1182,8 +1182,8 @@ public:
   bool add();
   const char *func_name() const { return "bit_and("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_and>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_and>(thd, this); }
 
 private:
   void set_bits_from_counters();
@@ -1197,8 +1197,8 @@ public:
   bool add();
   const char *func_name() const { return "bit_xor("; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_xor>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_xor>(thd, this); }
 
 private:
   void set_bits_from_counters();
@@ -1255,8 +1255,8 @@ public:
   my_decimal *val_decimal(my_decimal *dec) { return val_decimal_from_real(dec); }
   String *val_str(String *str) { return val_string_from_real(str); }
   double val_real();
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_avg_field_double>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_avg_field_double>(thd, this); }
 };
 
 
@@ -1275,8 +1275,8 @@ public:
   longlong val_int() { return val_int_from_decimal(); }
   String *val_str(String *str) { return val_string_from_decimal(str); }
   my_decimal *val_decimal(my_decimal *);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_avg_field_decimal>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_avg_field_decimal>(thd, this); }
 };
 
 
@@ -1296,8 +1296,8 @@ public:
   { return val_decimal_from_real(dec_buf); }
   bool is_null() { update_null_value(); return null_value; }
   const Type_handler *type_handler() const { return &type_handler_double; }
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_variance_field>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_variance_field>(thd, this); }
 };
 
 
@@ -1309,8 +1309,8 @@ public:
   { }
   enum Type type() const { return FIELD_STD_ITEM; }
   double val_real();
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_std_field>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_std_field>(thd, this); }
 };
 
 
@@ -1396,8 +1396,8 @@ class Item_sum_udf_float :public Item_udf_sum
   const Type_handler *type_handler() const { return &type_handler_double; }
   void fix_length_and_dec() { fix_num_length_and_dec(); }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_udf_float>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_udf_float>(thd, this); }
 };
 
 
@@ -1418,8 +1418,8 @@ public:
   const Type_handler *type_handler() const { return &type_handler_longlong; }
   void fix_length_and_dec() { decimals=0; max_length=21; }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_udf_int>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_udf_int>(thd, this); }
 };
 
 
@@ -1459,8 +1459,8 @@ public:
   const Type_handler *type_handler() const { return string_type_handler(); }
   void fix_length_and_dec();
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_udf_str>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_udf_str>(thd, this); }
 };
 
 
@@ -1480,8 +1480,8 @@ public:
   const Type_handler *type_handler() const { return &type_handler_newdecimal; }
   void fix_length_and_dec() { fix_num_length_and_dec(); }
   Item *copy_or_same(THD* thd);
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_sum_udf_decimal>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_sum_udf_decimal>(thd, this); }
 };
 
 #else /* Dummy functions to get sql_yacc.cc compiled */
@@ -1668,8 +1668,8 @@ public:
   virtual void print(String *str, enum_query_type query_type);
   virtual bool change_context_processor(void *cntx)
     { context= (Name_resolution_context *)cntx; return FALSE; }
-  Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_func_group_concat>(thd, mem_root, this); }
+  Item *get_copy(THD *thd)
+  { return get_item_copy<Item_func_group_concat>(thd, this); }
 };
 
 #endif /* ITEM_SUM_INCLUDED */