Add a default _limit() method to the Query Builder class
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 4631b1b..dad1df1 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1061,6 +1061,23 @@
// --------------------------------------------------------------------
/**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return $sql.' LIMIT '.($offset ? $offset.', ' : '').$limit;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* The "set" function.
*
* Allows key/value pairs to be set for inserting or updating