Merge 10.2 into 10.3

1 files changed, 18 insertions, 2 deletions

diff --git a/storage/innobase/include/page0page.h b/storage/innobase/include/page0page.h
index 56091c455e1..0876bc54aaf 100644
--- a/storage/innobase/include/page0page.h
+++ b/storage/innobase/include/page0page.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
-Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2013, 2019, MariaDB Corporation.
+Copyright (c) 1994, 2019, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2020, MariaDB Corporation.
 
 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
@@ -858,6 +858,22 @@ page_rec_is_last(
 	MY_ATTRIBUTE((warn_unused_result));
 
 /************************************************************//**
+true if distance between the records (measured in number of times we have to
+move to the next record) is at most the specified value
+@param[in]	left_rec	lefter record
+@param[in]	right_rec	righter record
+@param[in]	val		specified value to compare
+@return true if the distance is smaller than the value */
+UNIV_INLINE
+bool
+page_rec_distance_is_at_most(
+/*=========================*/
+	const rec_t*	left_rec,
+	const rec_t*	right_rec,
+	ulint		val)
+	MY_ATTRIBUTE((warn_unused_result));
+
+/************************************************************//**
 true if the record is the second last user record on a page.
 @return true if the second last user record */
 UNIV_INLINE