Add dummy method reconnect() method to CI_DB_driver and remove it from drivers that don't support it
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 42b1b35..9f1a0b8 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -171,6 +171,23 @@
// --------------------------------------------------------------------
/**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout.
+ *
+ * This is just a dummy method to allow drivers without such
+ * functionality to not declare it, while others will override it.
+ *
+ * @return void
+ */
+ public function reconnect()
+ {
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Set client character set
*
* @param string