Fix to support update + bianry logs with prepared statements (Dynamic query)

sql/item.cc:
  query_val_str to return param item value in string format
sql/item.h:
  Misc defination changes for Item_param
sql/sql_class.h:
  Changes for PREP_STMT
sql/sql_string.cc:
  Duplicate String::replace to take char * and length as arguments
sql/sql_yacc.yy:
  Change to take param marker position to Item_param as an argument
sql/sql_prepare.cc:
  Fix for binary + update logs
sql/sql_string.h:
  Added new replace()

1 files changed, 8 insertions, 5 deletions

diff --git a/sql/item.h b/sql/item.h
index 1b5fafc180f..6a7ebd506ac 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -239,15 +239,17 @@ public:
   enum Type item_type;
   enum enum_field_types buffer_type;
   bool item_is_time;
-  my_bool long_data_supplied;
+  bool long_data_supplied;
+  uint pos_in_query;
 
-  Item_param(char *name_par=0)
+  Item_param::Item_param(uint position)
   { 
-    name= name_par ? name_par : (char*) "?";
-    long_data_supplied= false;
+    name= (char*) "?";
+    pos_in_query= position;
     item_type= STRING_ITEM;
     item_result_type = STRING_RESULT;
     item_is_time= false;
+    long_data_supplied= false;
   }
   enum Type type() const { return item_type; }
   double val();
@@ -268,8 +270,9 @@ public:
   void (*setup_param_func)(Item_param *param, uchar **pos);
   enum Item_result result_type () const
   { return item_result_type; }
+  String *query_val_str(String *str);
   enum_field_types field_type() const { return MYSQL_TYPE_STRING; }
-  Item *new_item() { return new Item_param(name); }
+  Item *new_item() { return new Item_param(pos_in_query); }
 };
 
 class Item_int :public Item