Merge

1 files changed, 12 insertions, 4 deletions

diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index dc50c9a4ccd..ea8a78c528a 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -337,10 +337,18 @@ public:
 };
 
 
-class Item_func_database :public Item_str_func
+class Item_func_sysconst :public Item_str_func
 {
 public:
-  Item_func_database() { collation.set(system_charset_info,DERIVATION_IMPLICIT); }
+  Item_func_sysconst()
+  { collation.set(system_charset_info,DERIVATION_SYSCONST); }
+  Item *safe_charset_converter(CHARSET_INFO *tocs);
+};
+
+class Item_func_database :public Item_func_sysconst
+{
+public:
+  Item_func_database() :Item_func_sysconst() {}
   String *val_str(String *);
   void fix_length_and_dec()
   {
@@ -350,10 +358,10 @@ public:
   const char *func_name() const { return "database"; }
 };
 
-class Item_func_user :public Item_str_func
+class Item_func_user :public Item_func_sysconst
 {
 public:
-  Item_func_user() { collation.set(system_charset_info, DERIVATION_IMPLICIT); }
+  Item_func_user() :Item_func_sysconst() {}
   String *val_str(String *);
   void fix_length_and_dec() 
   {