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Diffstat (limited to 'storage/xtradb/include/fsp0pagecompress.ic')
| -rw-r--r-- | storage/xtradb/include/fsp0pagecompress.ic | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/storage/xtradb/include/fsp0pagecompress.ic b/storage/xtradb/include/fsp0pagecompress.ic deleted file mode 100644 index 14f968e319e..00000000000 --- a/storage/xtradb/include/fsp0pagecompress.ic +++ /dev/null @@ -1,142 +0,0 @@ -/***************************************************************************** - -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 02110-1301 USA - -*****************************************************************************/ - -/******************************************************************//** -@file include/fsp0pagecompress.ic -Implementation for helper functions for extracting/storing page -compression and atomic writes information to file space. - -Created 11/12/2013 Jan Lindström jan.lindstrom@mariadb.com - -***********************************************************************/ - -/********************************************************************//** -Determine the tablespace is page compression level from dict_table_t::flags. -@return page compression level or 0 if not compressed*/ -UNIV_INLINE -ulint -fsp_flags_get_page_compression_level( -/*=================================*/ - ulint flags) /*!< in: tablespace flags */ -{ - return(FSP_FLAGS_GET_PAGE_COMPRESSION_LEVEL(flags)); -} - -/********************************************************************//** -Determine the tablespace is using atomic writes from dict_table_t::flags. -@return true if atomic writes is used, false if not */ -UNIV_INLINE -atomic_writes_t -fsp_flags_get_atomic_writes( -/*========================*/ - ulint flags) /*!< in: tablespace flags */ -{ - return((atomic_writes_t)FSP_FLAGS_GET_ATOMIC_WRITES(flags)); -} - -/*******************************************************************//** -Find out wheather the page is index page or not -@return true if page type index page, false if not */ -UNIV_INLINE -ibool -fil_page_is_index_page( -/*===================*/ - byte* buf) /*!< in: page */ -{ - return(mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_INDEX); -} - -/*******************************************************************//** -Find out wheather the page is page compressed -@return true if page is page compressed, false if not */ -UNIV_INLINE -ibool -fil_page_is_compressed( -/*===================*/ - byte* buf) /*!< in: page */ -{ - return(mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_PAGE_COMPRESSED); -} - -/*******************************************************************//** -Find out wheather the page is page compressed -@return true if page is page compressed, false if not */ -UNIV_INLINE -ibool -fil_page_is_compressed_encrypted( -/*=============================*/ - byte* buf) /*!< in: page */ -{ - return(mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_PAGE_COMPRESSED_ENCRYPTED); -} - -/****************************************************************//** -Get the name of the compression algorithm used for page -compression. -@return compression algorithm name or "UNKNOWN" if not known*/ -UNIV_INLINE -const char* -fil_get_compression_alg_name( -/*=========================*/ - ulint comp_alg) /*!<in: compression algorithm number */ -{ - switch(comp_alg) { - case PAGE_UNCOMPRESSED: - return ("uncompressed"); - break; - case PAGE_ZLIB_ALGORITHM: - return ("ZLIB"); - break; - case PAGE_LZ4_ALGORITHM: - return ("LZ4"); - break; - case PAGE_LZO_ALGORITHM: - return ("LZO"); - break; - case PAGE_LZMA_ALGORITHM: - return ("LZMA"); - break; - case PAGE_BZIP2_ALGORITHM: - return ("BZIP2"); - break; - case PAGE_SNAPPY_ALGORITHM: - return ("SNAPPY"); - break; - /* No default to get compiler warning */ - } - - return ("NULL"); -} - -#ifndef UNIV_INNOCHECKSUM -/*******************************************************************//** -Find out wheather the page is page compressed with lzo method -@return true if page is page compressed with lzo method, false if not */ -UNIV_INLINE -ibool -fil_page_is_lzo_compressed( -/*=======================*/ - byte* buf) /*!< in: page */ -{ - return((mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_PAGE_COMPRESSED && - mach_read_from_8(buf+FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION) == PAGE_LZO_ALGORITHM) || - (mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_PAGE_COMPRESSED_ENCRYPTED && - mach_read_from_2(buf+FIL_PAGE_DATA+FIL_PAGE_COMPRESSED_SIZE) == PAGE_LZO_ALGORITHM)); -} - -#endif /* UNIV_INNOCHECKSUM */ |