From 251fdb32d21321fec7bd3c39a3a8bc87b04145d4 Mon Sep 17 00:00:00 2001
From: JINNOUCHI Yasushi <me@delphinus.dev>
Date: Wed, 9 Aug 2023 09:31:10 +0900
Subject: [PATCH] fix: do nothing when v:oldfiles are empty (#116)

---
 lua/frecency/database.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lua/frecency/database.lua b/lua/frecency/database.lua
index fa5e99e..a2aa7ca 100644
--- a/lua/frecency/database.lua
+++ b/lua/frecency/database.lua
@@ -60,6 +60,9 @@ end
 ---@param paths string[]
 ---@return integer
 function Database:insert_files(paths)
+  if #paths == 0 then
+    return 0
+  end
   ---@param path string
   return self.sqlite.files:insert(vim.tbl_map(function(path)
     return { path = path, count = 0 } -- TODO: remove when sql.nvim#97 is closed