Updated/added copyright headers

1 files changed, 17 insertions, 2 deletions

diff --git a/sql/sp_head.cc b/sql/sp_head.cc
index c5ffb1574bc..0ec8ce11c65 100644
--- a/sql/sp_head.cc
+++ b/sql/sp_head.cc
@@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+   Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -1062,7 +1062,7 @@ void sp_head::recursion_level_error(THD *thd)
   if (m_type == TYPE_ENUM_PROCEDURE)
   {
     my_error(ER_SP_RECURSION_LIMIT, MYF(0),
-             thd->variables.max_sp_recursion_depth,
+             static_cast<int>(thd->variables.max_sp_recursion_depth),
              m_name.str);
   }
   else
@@ -2356,6 +2356,21 @@ void
 sp_head::restore_thd_mem_root(THD *thd)
 {
   DBUG_ENTER("sp_head::restore_thd_mem_root");
+
+  /*
+   In some cases our parser detects a syntax error and calls
+   LEX::cleanup_lex_after_parse_error() method only after
+   finishing parsing the whole routine. In such a situation
+   sp_head::restore_thd_mem_root() will be called twice - the
+   first time as part of normal parsing process and the second
+   time by cleanup_lex_after_parse_error().
+   To avoid ruining active arena/mem_root state in this case we
+   skip restoration of old arena/mem_root if this method has been
+   already called for this routine.
+  */
+  if (!m_thd)
+    DBUG_VOID_RETURN;
+
   Item *flist= free_list;	// The old list
   set_query_arena(thd);         // Get new free_list and mem_root
   state= INITIALIZED_FOR_SP;