diff options
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 |