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| author | Sergei Golubchik <sergii@pisem.net> | 2014-05-07 17:33:33 +0200 |
|---|---|---|
| committer | Sergei Golubchik <sergii@pisem.net> | 2014-05-07 17:33:33 +0200 |
| commit | a2807e41e8fcac00711cf4465e910327bfd69fe2 (patch) | |
| tree | c94b0a32226b09e8675f8b9b559a610c554cda6b /storage/xtradb/include/buf0buf.h | |
| parent | 8ee9d19607d84aeebf97b704a19453f6a772299b (diff) | |
| parent | 6cb3146af896eb7d27aed6815428008f105e8ae8 (diff) | |
| download | mariadb-git-a2807e41e8fcac00711cf4465e910327bfd69fe2.tar.gz | |
xtradb 5.6.17-65.0
Diffstat (limited to 'storage/xtradb/include/buf0buf.h')
| -rw-r--r-- | storage/xtradb/include/buf0buf.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/storage/xtradb/include/buf0buf.h b/storage/xtradb/include/buf0buf.h index 8e2c283476a..39b06b69924 100644 --- a/storage/xtradb/include/buf0buf.h +++ b/storage/xtradb/include/buf0buf.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 1995, 2014, Oracle and/or its affiliates. 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 @@ -642,6 +642,15 @@ buf_page_is_corrupted( ulint zip_size) /*!< in: size of compressed page; 0 for uncompressed pages */ __attribute__((nonnull, warn_unused_result)); +/********************************************************************//** +Checks if a page is all zeroes. +@return TRUE if the page is all zeroes */ +bool +buf_page_is_zeroes( +/*===============*/ + const byte* read_buf, /*!< in: a database page */ + const ulint zip_size); /*!< in: size of compressed page; + 0 for uncompressed pages */ #ifndef UNIV_HOTBACKUP /**********************************************************************//** Gets the space id, page offset, and byte offset within page of a |