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Diffstat (limited to 'storage/xtradb/include/trx0types.h')
| -rw-r--r-- | storage/xtradb/include/trx0types.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/storage/xtradb/include/trx0types.h b/storage/xtradb/include/trx0types.h deleted file mode 100644 index 7ca95131328..00000000000 --- a/storage/xtradb/include/trx0types.h +++ /dev/null @@ -1,147 +0,0 @@ -/***************************************************************************** - -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. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -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., -51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0types.h -Transaction system global type definitions - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef trx0types_h -#define trx0types_h - -#include "ut0byte.h" - -/** printf(3) format used for printing DB_TRX_ID and other system fields */ -#define TRX_ID_FMT IB_ID_FMT - -/** maximum length that a formatted trx_t::id could take, not including -the terminating NUL character. */ -#define TRX_ID_MAX_LEN 17 - -/** Transaction execution states when trx->state == TRX_STATE_ACTIVE */ -enum trx_que_t { - TRX_QUE_RUNNING, /*!< transaction is running */ - TRX_QUE_LOCK_WAIT, /*!< transaction is waiting for - a lock */ - TRX_QUE_ROLLING_BACK, /*!< transaction is rolling back */ - TRX_QUE_COMMITTING /*!< transaction is committing */ -}; - -/** Transaction states (trx_t::state) */ -enum trx_state_t { - TRX_STATE_NOT_STARTED, - TRX_STATE_ACTIVE, - TRX_STATE_PREPARED, /* Support for 2PC/XA */ - TRX_STATE_COMMITTED_IN_MEMORY -}; - -/** Type of data dictionary operation */ -enum trx_dict_op_t { - /** The transaction is not modifying the data dictionary. */ - TRX_DICT_OP_NONE = 0, - /** The transaction is creating a table or an index, or - dropping a table. The table must be dropped in crash - recovery. This and TRX_DICT_OP_NONE are the only possible - operation modes in crash recovery. */ - TRX_DICT_OP_TABLE = 1, - /** The transaction is creating or dropping an index in an - existing table. In crash recovery, the data dictionary - must be locked, but the table must not be dropped. */ - TRX_DICT_OP_INDEX = 2 -}; - -/** Memory objects */ -/* @{ */ -/** Transaction */ -struct trx_t; -/** The locks and state of an active transaction */ -struct trx_lock_t; -/** Transaction system */ -struct trx_sys_t; -/** Signal */ -struct trx_sig_t; -/** Rollback segment */ -struct trx_rseg_t; -/** Transaction undo log */ -struct trx_undo_t; -/** Array of undo numbers of undo records being rolled back or purged */ -struct trx_undo_arr_t; -/** A cell of trx_undo_arr_t */ -struct trx_undo_inf_t; -/** The control structure used in the purge operation */ -struct trx_purge_t; -/** Rollback command node in a query graph */ -struct roll_node_t; -/** Commit command node in a query graph */ -struct commit_node_t; -/** SAVEPOINT command node in a query graph */ -struct trx_named_savept_t; -/* @} */ - -/** Rollback contexts */ -enum trx_rb_ctx { - RB_NONE = 0, /*!< no rollback */ - RB_NORMAL, /*!< normal rollback */ - RB_RECOVERY_PURGE_REC, - /*!< rolling back an incomplete transaction, - in crash recovery, rolling back an - INSERT that was performed by updating a - delete-marked record; if the delete-marked record - no longer exists in an active read view, it will - be purged */ - RB_RECOVERY /*!< rolling back an incomplete transaction, - in crash recovery */ -}; - -/** Row identifier (DB_ROW_ID, DATA_ROW_ID) */ -typedef ib_id_t row_id_t; -/** Transaction identifier (DB_TRX_ID, DATA_TRX_ID) */ -typedef ib_id_t trx_id_t; -/** Rollback pointer (DB_ROLL_PTR, DATA_ROLL_PTR) */ -typedef ib_id_t roll_ptr_t; -/** Undo number */ -typedef ib_id_t undo_no_t; - -/** Maximum transaction identifier */ -#define TRX_ID_MAX IB_ID_MAX - -/** Transaction savepoint */ -struct trx_savept_t{ - undo_no_t least_undo_no; /*!< least undo number to undo */ -}; - -/** File objects */ -/* @{ */ -/** Transaction system header */ -typedef byte trx_sysf_t; -/** Rollback segment header */ -typedef byte trx_rsegf_t; -/** Undo segment header */ -typedef byte trx_usegf_t; -/** Undo log header */ -typedef byte trx_ulogf_t; -/** Undo log page header */ -typedef byte trx_upagef_t; - -/** Undo log record */ -typedef byte trx_undo_rec_t; -/* @} */ - -#endif |