trx0types.h

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/*****************************************************************************

Copyright (c) 1996, 2013, 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 the Free Software
Foundation; version 2 of the License.

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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

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this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA

*****************************************************************************/

/**************************************************/
#ifndef trx0types_h
#define trx0types_h

#include "ut0byte.h"

#define TRX_ID_FMT              IB_ID_FMT

#define TRX_ID_MAX_LEN          17

enum trx_que_t {
        TRX_QUE_RUNNING,                
        TRX_QUE_LOCK_WAIT,              
        TRX_QUE_ROLLING_BACK,           
        TRX_QUE_COMMITTING              
};

enum trx_state_t {
        TRX_STATE_NOT_STARTED,
        TRX_STATE_ACTIVE,
        TRX_STATE_PREPARED,                     /* Support for 2PC/XA */
        TRX_STATE_COMMITTED_IN_MEMORY
};

enum trx_dict_op_t {
        TRX_DICT_OP_NONE = 0,
        TRX_DICT_OP_TABLE = 1,
        TRX_DICT_OP_INDEX = 2
};

/* @{ */
struct trx_t;
struct trx_lock_t;
struct trx_sys_t;
struct trx_sig_t;
struct trx_rseg_t;
struct trx_undo_t;
struct trx_undo_arr_t;
struct trx_undo_inf_t;
struct trx_purge_t;
struct roll_node_t;
struct commit_node_t;
struct trx_named_savept_t;
/* @} */

enum trx_rb_ctx {
        RB_NONE = 0,    
        RB_NORMAL,      
        RB_RECOVERY_PURGE_REC,
        RB_RECOVERY     
};

typedef ib_id_t row_id_t;
typedef ib_id_t trx_id_t;
typedef ib_id_t roll_ptr_t;
typedef ib_id_t undo_no_t;

#define TRX_ID_MAX      IB_ID_MAX

struct trx_savept_t{
        undo_no_t       least_undo_no;  
};

/* @{ */
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;

typedef byte    trx_undo_rec_t;
/* @} */

#endif