trx0purge.ic
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上传日期:2007-04-14
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- /******************************************************
- Purge old versions
- (c) 1996 Innobase Oy
- Created 3/26/1996 Heikki Tuuri
- *******************************************************/
- #include "trx0undo.h"
- /************************************************************************
- Calculates the file address of an undo log header when we have the file
- address of its history list node. */
- UNIV_INLINE
- fil_addr_t
- trx_purge_get_log_from_hist(
- /*========================*/
- /* out: file address of the log */
- fil_addr_t node_addr) /* in: file address of the history
- list node of the log */
- {
- node_addr.boffset -= TRX_UNDO_HISTORY_NODE;
- return(node_addr);
- }