From 31b19a2f1911182e92a286ea05e7ff589eaccd87 Mon Sep 17 00:00:00 2001
From: whr819987540 <819987540@qq.com>
Date: Thu, 27 Apr 2023 15:58:22 +0800
Subject: [PATCH] add comment

---
 storage/piece-completion.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/storage/piece-completion.go b/storage/piece-completion.go
index bc646bd7..8a41a498 100644
--- a/storage/piece-completion.go
+++ b/storage/piece-completion.go
@@ -17,6 +17,8 @@ type PieceCompletion interface {
 	Close() error
 }
 
+// use sqlite by default
+// if sqlite connection fails, use a map
 func pieceCompletionForDir(dir string) (ret PieceCompletion) {
 	ret, err := NewDefaultPieceCompletionForDir(dir)
 	if err != nil {