trx0types.h
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上传日期:2007-04-14
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- /******************************************************
- Transaction system global type definitions
- (c) 1996 Innobase Oy
- Created 3/26/1996 Heikki Tuuri
- *******************************************************/
- #ifndef trx0types_h
- #define trx0types_h
- #include "lock0types.h"
- #include "ut0byte.h"
- /* Memory objects */
- typedef struct trx_struct trx_t;
- typedef struct trx_sys_struct trx_sys_t;
- typedef struct trx_sig_struct trx_sig_t;
- typedef struct trx_rseg_struct trx_rseg_t;
- typedef struct trx_undo_struct trx_undo_t;
- typedef struct trx_undo_arr_struct trx_undo_arr_t;
- typedef struct trx_undo_inf_struct trx_undo_inf_t;
- typedef struct trx_purge_struct trx_purge_t;
- typedef struct roll_node_struct roll_node_t;
- typedef struct commit_node_struct commit_node_t;
- /* Transaction savepoint */
- typedef struct trx_savept_struct trx_savept_t;
- struct trx_savept_struct{
- dulint least_undo_no; /* least undo number to undo */
- };
- /* File objects */
- typedef byte trx_sysf_t;
- typedef byte trx_rsegf_t;
- typedef byte trx_usegf_t;
- typedef byte trx_ulogf_t;
- typedef byte trx_upagef_t;
- /* Undo log record */
- typedef byte trx_undo_rec_t;
- #endif