update

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3181 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/libdingaling/src/libdingaling.c

@@ -796,7 +796,7 @@ static int on_unsubscribe(void *user_data, ikspak *pak)
 	char *to = iks_find_attrib(pak->x, "to");
 
 	if (handle->session_callback) {
-		handle->session_callback(handle, NULL, LDL_SIGNAL_SUBSCRIBE, to, from, NULL, NULL);
+		handle->session_callback(handle, NULL, LDL_SIGNAL_UNSUBSCRIBE, to, from, NULL, NULL);
 	}
 
 	return IKS_FILTER_EAT;

src/mod/endpoints/mod_dingaling/mod_dingaling.c

@@ -2078,7 +2078,8 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
 
 			case LDL_SIGNAL_SUBSCRIBE:
 				
-				if ((sql = switch_mprintf("insert into subscriptions values('%q','%q','%q','%q')", from, to, msg, subject))) {
+				if ((sql = switch_mprintf("delete from subscriptions where sub_from='%q' and sub_to='%q';\n"
+										  "insert into subscriptions values('%q','%q','%q','%q');\n", from, to, from, to, msg, subject))) {
 					execute_sql(profile->dbname, sql, profile->mutex);
 					switch_core_db_free(sql);
 				}