[3.x] Use row_number window function on MariaDB >= 11.0 (#300)

Appveyor fail is unrelated

Author: richard67

src/Query/MysqlQueryBuilder.php

@@ -210,9 +210,18 @@ public function findInSet($value, $set)
      *
      * @since   2.0.0
      * @throws  \RuntimeException
+     *
+     * @todo  Remove this method when the database version requirements have been raised
+     *        to >= 8.0.0 for MySQL and >= 10.2.0 for MariaDB so the ROW_NUMBER() window
+     *        function can be used in any case.
      */
     public function selectRowNumber($orderBy, $orderColumnAlias)
     {
+        // Use parent method with ROW_NUMBER() window function on MariaDB 11.0.0 and newer.
+        if ($this->db->isMariaDb() && version_compare($this->db->getVersion(), '11.0.0', '>=')) {
+            return parent::selectRowNumber($orderBy, $orderColumnAlias);
+        }
+
         $this->validateRowNumber($orderBy, $orderColumnAlias);
 
         return $this->select("(SELECT @rownum := @rownum + 1 FROM (SELECT @rownum := 0) AS r) AS $orderColumnAlias");