| 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 02110-1301 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.ic" |
| 60 | |
| 61 | #endif |
| 62 | |