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44 lines
1.5 KiB
Text
44 lines
1.5 KiB
Text
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/*****************************************************************************
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Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/trx0purge.ic
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Purge old versions
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Created 3/26/1996 Heikki Tuuri
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*******************************************************/
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#include "trx0undo.h"
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/********************************************************************//**
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Calculates the file address of an undo log header when we have the file
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address of its history list node.
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@return file address of the log */
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UNIV_INLINE
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fil_addr_t
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trx_purge_get_log_from_hist(
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/*========================*/
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fil_addr_t node_addr) /*!< in: file address of the history
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list node of the log */
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{
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node_addr.boffset -= TRX_UNDO_HISTORY_NODE;
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return(node_addr);
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}
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