Merge with MySQL 5.1.55

- Fixed some issues with partitions and connection_string, which also fixed lp:716890 "Pre- and post-recovery crash in Aria"
- Fixed wrong assert in Aria

Now need to merge with latest xtradb before pushing 

sql/ha_partition.cc:
  Ensure that m_ordered_rec_buffer is not freed before close.
sql/mysqld.cc:
  Changed to use opt_stack_trace instead of opt_pstack.
  Removed references to pstack
sql/partition_element.h:
  Ensure that connect_string is initialized
storage/maria/ma_key_recover.c:
  Fixed wrong assert

1 files changed, 5 insertions, 1 deletions

diff --git a/sql/set_var.h b/sql/set_var.h
index 4fc23c29e7d..2e9812eca3b 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2006 MySQL AB
+/* Copyright (c) 2002, 2010, Oracle and/or its affiliates.
 
    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
@@ -198,6 +198,7 @@ public:
 		       sys_after_update_func func)
     :sys_var(name_arg,func), value(value_ptr_arg)
   { chain_sys_var(chain); }
+  bool check(THD *thd, set_var *var);
   bool update(THD *thd, set_var *var);
   void set_default(THD *thd, enum_var_type type);
   SHOW_TYPE show_type() { return SHOW_LONGLONG; }
@@ -444,6 +445,7 @@ public:
 		      sys_after_update_func func)
     :sys_var_thd(name_arg,func), offset(offset_arg)
   { chain_sys_var(chain); }
+  bool check(THD *thd, set_var *var);
   bool update(THD *thd, set_var *var);
   void set_default(THD *thd, enum_var_type type);
   SHOW_TYPE show_type() { return SHOW_HA_ROWS; }
@@ -867,6 +869,7 @@ public:
     :sys_var_key_cache_param(chain, name_arg,
                              offsetof(KEY_CACHE, param_buff_size))
   {}
+  bool check(THD *thd, set_var *var);
   bool update(THD *thd, set_var *var);
   SHOW_TYPE show_type() { return SHOW_LONGLONG; }
 };
@@ -878,6 +881,7 @@ public:
   sys_var_key_cache_long(sys_var_chain *chain, const char *name_arg, size_t offset_arg)
     :sys_var_key_cache_param(chain, name_arg, offset_arg)
   {}
+  bool check(THD *thd, set_var *var);
   bool update(THD *thd, set_var *var);
   SHOW_TYPE show_type() { return SHOW_LONG; }
 };