From 861f1323269acf82059c3c855155ea1aff0db71a Mon Sep 17 00:00:00 2001
From: Determinant <tederminant@gmail.com>
Date: Thu, 29 Oct 2020 01:56:46 -0400
Subject: handle the empty write properly

---
 src/wal.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/wal.rs')

diff --git a/src/wal.rs b/src/wal.rs
index 7975f38..119fdf3 100644
--- a/src/wal.rs
+++ b/src/wal.rs
@@ -255,6 +255,9 @@ impl<F: WALStore> WALFilePool<F> {
         &'a mut self,
         writes: Vec<(WALPos, WALBytes)>,
     ) -> Vec<Pin<Box<dyn Future<Output = Result<(), ()>> + 'a>>> {
+        if writes.is_empty() {
+            return Vec::new()
+        }
         let file_size = self.file_size;
         let file_nbit = self.file_nbit;
         let meta: Vec<(u64, u64)> = writes
-- 
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