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Contains also:
MDEV-10549 mysqld: sql/handler.cc:2692: int handler::ha_index_first(uchar*): Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed. (branch bb-10.2-jan)
Unlike MySQL, InnoDB still uses THR_LOCK in MariaDB
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
enable tests that were fixed in MDEV-10549
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
fix main.innodb_mysql_sync - re-enable online alter for partitioned innodb tables
82 lines
3 KiB
C
82 lines
3 KiB
C
/*****************************************************************************
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Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file buf/buf0checksum.h
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Buffer pool checksum functions, also linked from /extra/innochecksum.cc
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Created Aug 11, 2011 Vasil Dimov
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*******************************************************/
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#ifndef buf0checksum_h
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#define buf0checksum_h
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#include "univ.i"
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#include "buf0types.h"
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/** Calculates the CRC32 checksum of a page. The value is stored to the page
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when it is written to a file and also checked for a match when reading from
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the file. When reading we allow both normal CRC32 and CRC-legacy-big-endian
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variants. Note that we must be careful to calculate the same value on 32-bit
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and 64-bit architectures.
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@param[in] page buffer page (UNIV_PAGE_SIZE bytes)
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@param[in] use_legacy_big_endian if true then use big endian
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byteorder when converting byte strings to integers
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@return checksum */
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uint32_t
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buf_calc_page_crc32(
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const byte* page,
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bool use_legacy_big_endian = false);
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/********************************************************************//**
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Calculates a page checksum which is stored to the page when it is written
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to a file. Note that we must be careful to calculate the same value on
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32-bit and 64-bit architectures.
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@return checksum */
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ulint
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buf_calc_page_new_checksum(
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/*=======================*/
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const byte* page); /*!< in: buffer page */
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/********************************************************************//**
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In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only
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looked at the first few bytes of the page. This calculates that old
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checksum.
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NOTE: we must first store the new formula checksum to
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FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum
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because this takes that field as an input!
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@return checksum */
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ulint
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buf_calc_page_old_checksum(
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/*=======================*/
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const byte* page); /*!< in: buffer page */
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/********************************************************************//**
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Return a printable string describing the checksum algorithm.
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@return algorithm name */
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const char*
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buf_checksum_algorithm_name(
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/*========================*/
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srv_checksum_algorithm_t algo); /*!< in: algorithm */
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extern ulong srv_checksum_algorithm;
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extern bool legacy_big_endian_checksum;
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#endif /* buf0checksum_h */
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