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| author | Jan Lindström <jan.lindstrom@skysql.com> | 2014-07-21 22:21:30 +0300 |
|---|---|---|
| committer | Jan Lindström <jan.lindstrom@skysql.com> | 2014-07-22 06:56:50 +0300 |
| commit | dbc79ce0557ad5b7e3f51d7ffb0ffd1bec5b21bf (patch) | |
| tree | 27f2366b816649284fb0786a31aadb24e26dfeea /storage/innobase/include/fil0fil.h | |
| parent | f98b52aba13d98285d10224260a661128e7fe92f (diff) | |
| download | mariadb-git-dbc79ce0557ad5b7e3f51d7ffb0ffd1bec5b21bf.tar.gz | |
MDEV-6354: Implement a way to read MySQL 5.7.4-labs-tplc page
compression format (Fusion-IO).
Addeed LZMA and BZIP2 compression methods.
Diffstat (limited to 'storage/innobase/include/fil0fil.h')
| -rw-r--r-- | storage/innobase/include/fil0fil.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h index e1f938dbf32..965b1c31e23 100644 --- a/storage/innobase/include/fil0fil.h +++ b/storage/innobase/include/fil0fil.h @@ -126,6 +126,24 @@ extern fil_addr_t fil_addr_null; data file (ibdata*, not *.ibd): the file has been flushed to disk at least up to this lsn */ +/** If page type is FIL_PAGE_COMPRESSED then the 8 bytes starting at +FIL_PAGE_FILE_FLUSH_LSN are broken down as follows: */ + +/** Control information version format (u8) */ +static const ulint FIL_PAGE_VERSION = FIL_PAGE_FILE_FLUSH_LSN; + +/** Compression algorithm (u8) */ +static const ulint FIL_PAGE_ALGORITHM_V1 = FIL_PAGE_VERSION + 1; + +/** Original page type (u16) */ +static const ulint FIL_PAGE_ORIGINAL_TYPE_V1 = FIL_PAGE_ALGORITHM_V1 + 1; + +/** Original data size in bytes (u16)*/ +static const ulint FIL_PAGE_ORIGINAL_SIZE_V1 = FIL_PAGE_ORIGINAL_TYPE_V1 + 2; + +/** Size after compression (u16)*/ +static const ulint FIL_PAGE_COMPRESS_SIZE_V1 = FIL_PAGE_ORIGINAL_SIZE_V1 + 2; + #define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34 /*!< starting from 4.1.x this contains the space id of the page */ #define FIL_PAGE_SPACE_ID FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID @@ -162,7 +180,8 @@ extern fil_addr_t fil_addr_null; #define FIL_PAGE_TYPE_BLOB 10 /*!< Uncompressed BLOB page */ #define FIL_PAGE_TYPE_ZBLOB 11 /*!< First compressed BLOB page */ #define FIL_PAGE_TYPE_ZBLOB2 12 /*!< Subsequent compressed BLOB page */ -#define FIL_PAGE_TYPE_LAST FIL_PAGE_TYPE_ZBLOB2 +#define FIL_PAGE_COMPRESSED 13 /*!< Compressed page */ +#define FIL_PAGE_TYPE_LAST FIL_PAGE_COMPRESSED /*!< Last page type */ /* @} */ |