Merged 4.1 into 5.0.

BitKeeper/etc/gone:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
client/mysql.cc:
  Auto merged
client/mysqltest.c:
  Auto merged
configure.in:
  Auto merged
libmysqld/Makefile.am:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.h:
  Auto merged
sql/lex.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/sql_select.cc:
  Auto merged

1 files changed, 66 insertions, 0 deletions

diff --git a/sql/item_func.h b/sql/item_func.h
index 0429e650071..1c70d00f7e7 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -1179,3 +1179,69 @@ enum Item_cast
   ITEM_CAST_BINARY, ITEM_CAST_SIGNED_INT, ITEM_CAST_UNSIGNED_INT,
   ITEM_CAST_DATE, ITEM_CAST_TIME, ITEM_CAST_DATETIME, ITEM_CAST_CHAR
 };
+
+
+/*
+ *
+ * Stored FUNCTIONs
+ *
+ */
+
+class sp_head;
+
+class Item_func_sp :public Item_func
+{
+private:
+  LEX_STRING m_name;
+  mutable sp_head *m_sp;
+
+  int execute(Item **itp);
+
+public:
+
+  Item_func_sp(LEX_STRING name)
+    :Item_func(), m_name(name), m_sp(NULL)
+  {}
+
+  Item_func_sp(LEX_STRING name, List<Item> &list)
+    :Item_func(list), m_name(name), m_sp(NULL)
+  {}
+
+  virtual ~Item_func_sp()
+  {}
+
+  const char *func_name() const
+  {
+    return m_name.str;
+  }
+
+  enum enum_field_types field_type() const;
+
+  Item_result result_type() const;
+
+  longlong val_int()
+  {
+    return (longlong)Item_func_sp::val();
+  }
+
+  double val()
+  {
+    Item *it;
+
+    if (execute(&it))
+      return 0.0;
+    return it->val();
+  }
+
+  String *val_str(String *str)
+  {
+    Item *it;
+
+    if (execute(&it))
+      return NULL;
+    return it->val_str(str);
+  }
+
+  void fix_length_and_dec();
+
+};