+ throw new Exception("Use pkeyGet() for this class.");
+ }
+
+ /**
+ * Get an instance by compound primary key
+ *
+ * @param array $kv key-value pair array
+ *
+ * @return Twitter_synch_status object found, or null for no hits
+ *
+ */
+ function pkeyGet($kv)
+ {
+ return Memcached_DataObject::pkeyGet('Twitter_synch_status', $kv);