diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index 890a6aaa..136e8851 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -1061,7 +1061,7 @@ if (!defined("DRIVER")) {
 	}
 	$unsigned = array("unsigned", "zerofill", "unsigned zerofill"); ///< @var array number variants
 	$operators = array("=", "<", ">", "<=", ">=", "!=", "LIKE", "LIKE %%", "REGEXP", "IN", "IS NULL", "NOT LIKE", "NOT REGEXP", "NOT IN", "IS NOT NULL", "SQL"); ///< @var array operators used in select
-	$functions = array("char_length", "date", "from_unixtime", "lower", "round", "sec_to_time", "time_to_sec", "upper"); ///< @var array functions used in select
+	$functions = array("char_length", "date", "from_unixtime", "lower", "round", "floor", "ceil", "sec_to_time", "time_to_sec", "upper"); ///< @var array functions used in select
 	$grouping = array("avg", "count", "count distinct", "group_concat", "max", "min", "sum"); ///< @var array grouping functions used in select
 	$edit_functions = array( ///< @var array of array("$type|$type2" => "$function/$function2") functions used in editing, [0] - edit and insert, [1] - edit only
 		array(
diff --git a/changes.txt b/changes.txt
index 44ab86a6..78645a07 100644
--- a/changes.txt
+++ b/changes.txt
@@ -6,6 +6,7 @@ Stop redirecting links via adminer.org
 Support X-Forwarded-Prefix
 Display options for timestamp columns when creating a new table
 MySQL, PostgreSQL: Display warnings
+MySQL: Add floor and ceil functions
 MariaDB: Support JSON since MariaDB 10.2
 PostgreSQL: Support functions
 PostgreSQL: Allow editing views with uppercase letters (bug #467)