diff --git a/dbpool.go b/dbpool.go
index 5d1a317..4436ce8 100644
--- a/dbpool.go
+++ b/dbpool.go
@@ -111,7 +111,7 @@ func (this *dbPool) SyncSelectCustomQuery(dataSource string, sql string, cb Quer
 }
 
 func (this *dbPool) SyncBatchLoadFullTable(dataSource string, sqlTpl string,
-	cb func(*DataSet), errCb func(error)) {
+	cb func(*DataSet), errCb func(error)) int64 {
 	var lastIdx int64
 	var done = false
 	for !done {
@@ -137,6 +137,7 @@ func (this *dbPool) SyncBatchLoadFullTable(dataSource string, sqlTpl string,
 				}
 			})
 	}
+	return lastIdx
 }
 
 func (this *dbPool) SelectLike(