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mysql-5.5.18 merge

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This commit is contained in:
Sergei Golubchik
2011-11-03 19:17:05 +01:00
parent 3794110f02 6814762551
commit 0e007344ea
1160 changed files with 12821 additions and 6204 deletions
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27
sql/mdl.h
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@ -1,6 +1,6 @@
#ifndef MDL_H
#define MDL_H
/* Copyright (C) 2007-2008 MySQL AB
/* Copyright (c) 2009, 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
@ -13,7 +13,7 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#if defined(__IBMC__) || defined(__IBMCPP__)
/* Further down, "next_in_lock" and "next_in_context" have the same type,
@ -153,11 +153,24 @@ enum enum_mdl_type {
/** Duration of metadata lock. */
enum enum_mdl_duration { MDL_STATEMENT= 0,
MDL_TRANSACTION,
MDL_EXPLICIT,
/* This should be the last ! */
MDL_DURATION_END };
enum enum_mdl_duration {
/**
Locks with statement duration are automatically released at the end
of statement or transaction.
*/
MDL_STATEMENT= 0,
/**
Locks with transaction duration are automatically released at the end
of transaction.
*/
MDL_TRANSACTION,
/**
Locks with explicit duration survive the end of statement and transaction.
They have to be released explicitly by calling MDL_context::release_lock().
*/
MDL_EXPLICIT,
/* This should be the last ! */
MDL_DURATION_END };
/** Maximal length of key for metadata locking subsystem. */