1 /***************************************************************************** 2 3 Copyright (C) 2013, 2017, MariaDB Corporation. All Rights Reserved. 4 5 This program is free software; you can redistribute it and/or modify it under 6 the terms of the GNU General Public License as published by the Free Software 7 Foundation; version 2 of the License. 8 9 This program is distributed in the hope that it will be useful, but WITHOUT 10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 this program; if not, write to the Free Software Foundation, Inc., 15 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA 16 17 *****************************************************************************/ 18 19 /******************************************************************//** 20 @file include/dict0pagecompress.h 21 Helper functions for extracting/storing page compression information 22 to dictionary. 23 24 Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com 25 ***********************************************************************/ 26 27 #ifndef dict0pagecompress_h 28 #define dict0pagecompress_h 29 30 /********************************************************************//** 31 Extract the page compression level from table flags. 32 @return page compression level, or 0 if not compressed */ 33 UNIV_INLINE 34 ulint 35 dict_tf_get_page_compression_level( 36 /*===============================*/ 37 ulint flags) /*!< in: flags */ 38 __attribute__((const)); 39 /********************************************************************//** 40 Extract the page compression flag from table flags 41 @return page compression flag, or false if not compressed */ 42 UNIV_INLINE 43 ibool 44 dict_tf_get_page_compression( 45 /*==========================*/ 46 ulint flags) /*!< in: flags */ 47 __attribute__((const)); 48 49 /********************************************************************//** 50 Check whether the table uses the page compressed page format. 51 @return page compression level, or 0 if not compressed */ 52 UNIV_INLINE 53 ulint 54 dict_table_page_compression_level( 55 /*==============================*/ 56 const dict_table_t* table) /*!< in: table */ 57 __attribute__((const)); 58 59 #include "dict0pagecompress.inl" 60 61 #endif 62