added reconnect() method to db drivers
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index f7db4ca..2e529f3 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -82,6 +82,22 @@
// --------------------------------------------------------------------
/**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @access public
+ * @return void
+ */
+ function reconnect()
+ {
+ // not implemented in odbc
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Select the database
*
* @access private called by the base class