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Diffstat (limited to 'storage/xtradb/include/trx0rec.ic')
-rw-r--r-- | storage/xtradb/include/trx0rec.ic | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/storage/xtradb/include/trx0rec.ic b/storage/xtradb/include/trx0rec.ic deleted file mode 100644 index 08704f6b821..00000000000 --- a/storage/xtradb/include/trx0rec.ic +++ /dev/null @@ -1,113 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2012, 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/trx0rec.ic -Transaction undo log record - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_HOTBACKUP -/**********************************************************************//** -Reads from an undo log record the record type. -@return record type */ -UNIV_INLINE -ulint -trx_undo_rec_get_type( -/*==================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - return(mach_read_from_1(undo_rec + 2) & (TRX_UNDO_CMPL_INFO_MULT - 1)); -} - -/**********************************************************************//** -Reads from an undo log record the record compiler info. -@return compiler info */ -UNIV_INLINE -ulint -trx_undo_rec_get_cmpl_info( -/*=======================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - return(mach_read_from_1(undo_rec + 2) / TRX_UNDO_CMPL_INFO_MULT); -} - -/**********************************************************************//** -Returns TRUE if an undo log record contains an extern storage field. -@return TRUE if extern */ -UNIV_INLINE -ibool -trx_undo_rec_get_extern_storage( -/*============================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - if (mach_read_from_1(undo_rec + 2) & TRX_UNDO_UPD_EXTERN) { - - return(TRUE); - } - - return(FALSE); -} - -/**********************************************************************//** -Reads the undo log record number. -@return undo no */ -UNIV_INLINE -undo_no_t -trx_undo_rec_get_undo_no( -/*=====================*/ - const trx_undo_rec_t* undo_rec) /*!< in: undo log record */ -{ - const byte* ptr; - - ptr = undo_rec + 3; - - return(mach_ull_read_much_compressed(ptr)); -} - -/**********************************************************************//** -Returns the start of the undo record data area. -@return offset to the data area */ -UNIV_INLINE -ulint -trx_undo_rec_get_offset( -/*====================*/ - undo_no_t undo_no) /*!< in: undo no read from node */ -{ - return(3 + mach_ull_get_much_compressed_size(undo_no)); -} - -/***********************************************************************//** -Copies the undo record to the heap. -@return own: copy of undo log record */ -UNIV_INLINE -trx_undo_rec_t* -trx_undo_rec_copy( -/*==============*/ - const trx_undo_rec_t* undo_rec, /*!< in: undo log record */ - mem_heap_t* heap) /*!< in: heap where copied */ -{ - ulint len; - - len = mach_read_from_2(undo_rec) - - ut_align_offset(undo_rec, UNIV_PAGE_SIZE); - ut_ad(len < UNIV_PAGE_SIZE); - return((trx_undo_rec_t*) mem_heap_dup(heap, undo_rec, len)); -} -#endif /* !UNIV_HOTBACKUP */ |