From 05d6e4bd9db1725382719ee518c8d2ea7973ff5c Mon Sep 17 00:00:00 2001
From: ad hoc <postma.marin@protonmail.com>
Date: Wed, 18 Sep 2024 16:06:51 +0200
Subject: [PATCH] fix compactor shortest path when there are no segments

---
 libsql-wal/src/storage/compaction/mod.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libsql-wal/src/storage/compaction/mod.rs b/libsql-wal/src/storage/compaction/mod.rs
index 01a66a1516..d91cf27238 100644
--- a/libsql-wal/src/storage/compaction/mod.rs
+++ b/libsql-wal/src/storage/compaction/mod.rs
@@ -403,6 +403,13 @@ pub struct AnalyzedSegments {
 impl AnalyzedSegments {
     /// returns a list of keys that covers frame_no 1 to last in the shortest amount of segments
     pub fn shortest_restore_path(&self) -> SegmentSet {
+        if self.graph.node_count() == 0 {
+            return SegmentSet {
+                namespace: self.namespace.clone(),
+                segments: Vec::new(),
+            };
+        }
+
         let path = petgraph::algo::astar(
             &self.graph,
             1,