mariadb/storage/innobase/include/dict0pagecompress.h
2022-01-17 16:41:51 +01:00

61 lines
2.2 KiB
C

/*****************************************************************************
Copyright (C) 2013, 2017, MariaDB Corporation. 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 St, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/******************************************************************//**
@file include/dict0pagecompress.h
Helper functions for extracting/storing page compression information
to dictionary.
Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
***********************************************************************/
#ifndef dict0pagecompress_h
#define dict0pagecompress_h
/********************************************************************//**
Extract the page compression level from table flags.
@return page compression level, or 0 if not compressed */
UNIV_INLINE
ulint
dict_tf_get_page_compression_level(
/*===============================*/
ulint flags) /*!< in: flags */
__attribute__((const));
/********************************************************************//**
Extract the page compression flag from table flags
@return page compression flag, or false if not compressed */
UNIV_INLINE
ibool
dict_tf_get_page_compression(
/*==========================*/
ulint flags) /*!< in: flags */
__attribute__((const));
/********************************************************************//**
Check whether the table uses the page compressed page format.
@return page compression level, or 0 if not compressed */
UNIV_INLINE
ulint
dict_table_page_compression_level(
/*==============================*/
const dict_table_t* table) /*!< in: table */
__attribute__((const));
#include "dict0pagecompress.inl"
#endif