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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996-2009 Oracle. All rights reserved.
*
* $Id$
*/
DBPRIVATE
PREFIX __txn
INCLUDE #include "db_int.h"
INCLUDE #include "dbinc/crypto.h"
INCLUDE #include "dbinc/db_page.h"
INCLUDE #include "dbinc/db_dispatch.h"
INCLUDE #include "dbinc/db_am.h"
INCLUDE #include "dbinc/lock.h"
INCLUDE #include "dbinc/log.h"
INCLUDE #include "dbinc/txn.h"
INCLUDE
/*
* This is the standard log operation for commit.
* Note that we are using an int32_t for the timestamp. This means that
* in 2039 we will need to deprecate this log record and create one that
* either changes the Epoch or has a 64-bit offset.
* NOTE: The opcode MUST be the first argument in these records, because
* the force_abort code overwrites it with an ABORT should the write to
* the log fail.
* envid:
* Environment ID of this operation (4.4+).
*/
BEGIN_COMPAT regop 42 10
ARG opcode u_int32_t lu
TIME timestamp int32_t ld
LOCKS locks DBT s
END
BEGIN regop 44 10
ARG opcode u_int32_t lu
TIME timestamp int32_t ld
ARG envid u_int32_t lu
LOCKS locks DBT s
END
/*
* This is the checkpoint record. It contains the lsn that the checkpoint
* guarantees and a pointer to the last checkpoint so we can walk backwards
* by checkpoint.
*
* ckp_lsn:
* The lsn in the log of the most recent point at which all begun
* transactions have been aborted. This is the point for which
* the checkpoint is relevant.
* last_ckp:
* The previous checkpoint.
* timestamp:
* See comment in commit about timestamps.
* envid:
* Environment ID of this checkpoint (4.3+).
* rep_gen:
* Persistent replication generation number (4.2-4.5 only).
* Renamed to 'spare' in 4.6.
*/
BEGIN_COMPAT ckp 42 11
POINTER ckp_lsn DB_LSN * lu
POINTER last_ckp DB_LSN * lu
TIME timestamp int32_t ld
ARG rep_gen u_int32_t lu
END
BEGIN ckp 43 11
POINTER ckp_lsn DB_LSN * lu
POINTER last_ckp DB_LSN * lu
TIME timestamp int32_t ld
ARG envid u_int32_t lu
ARG spare u_int32_t lu
END
/*
* This is the (new) log operation for a child commit. It is
* logged as a record in the PARENT. The child field contains
* the transaction ID of the child committing and the c_lsn is
* the last LSN of the child's log trail.
*/
BEGIN child 42 12
ARG child u_int32_t lx
POINTER c_lsn DB_LSN * lu
END
/*
* This is the standard log operation for prepare.
* NOTE: The opcode MUST be the first argument in these records, because
* the force_abort code overwrites it with an ABORT should the write to
* the log fail.
*/
BEGIN_COMPAT xa_regop 42 13
ARG opcode u_int32_t lu
DBT xid DBT s
ARG formatID int32_t ld
ARG gtrid u_int32_t lu
ARG bqual u_int32_t lu
POINTER begin_lsn DB_LSN * lu
LOCKS locks DBT s
END
BEGIN prepare 48 13
ARG opcode u_int32_t lu
DBT gid DBT s
POINTER begin_lsn DB_LSN * lu
LOCKS locks DBT s
END
/*
* Log the fact that we are recycling txnids.
*/
BEGIN recycle 42 14
ARG min u_int32_t lu
ARG max u_int32_t lu
END
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