diff --git a/src/database/schema/commit.rs b/src/database/schema/commit.rs
@@ -188,19 +188,21 @@ impl CommitTree {
}
pub fn fetch_latest_one(&self) -> Result<Option<YokedCommit>, anyhow::Error> {
+ let mut key = self.prefix.to_vec();
+ key.extend_from_slice(&(self.len()? - 1).to_be_bytes());
+
let cf = self
.db
.cf_handle(COMMIT_FAMILY)
.context("missing column family")?;
- self.db
- .prefix_iterator_cf(cf, &self.prefix)
- .next()
- .transpose()
- .context("Failed to instantiate iterator")?
- .map(|(_, value)| Yoke::try_attach_to_cart(value, |data| bincode::deserialize(data)))
- .transpose()
- .context("Failed to decode commit")
+ let Some(value) = self.db.get_cf(cf, key)? else {
+ return Ok(None);
+ };
+
+ Yoke::try_attach_to_cart(Box::from(value), |data| bincode::deserialize(data))
+ .map(Some)
+ .context("Failed to deserialize commit")
}
pub fn fetch_latest(