MVCC: using first() to get the range start

xuweidong.forever · erikgrinaker · commit afebf18f0d04 · 2025-07-08T12:49:47.000+02:00
diff --git a/src/storage/mvcc.rs b/src/storage/mvcc.rs
@@ -537,7 +537,7 @@ impl<E: Engine> Transaction<E> {
         // the same invariant.
         let from = Key::Version(
             key.into(),
-            self.state.active.iter().min().copied().unwrap_or(self.state.version + 1),
+            self.state.active.first().copied().unwrap_or(self.state.version + 1),
         )
         .encode();
         let to = Key::Version(key.into(), u64::MAX).encode();

Original file line number	Diff line number	Diff line change
`@@ -537,7 +537,7 @@ impl<E: Engine> Transaction<E> {`
`537`	`537`	`// the same invariant.`
`538`	`538`	`let from = Key::Version(`
`539`	`539`	`key.into(),`
`540`		`- self.state.active.iter().min().copied().unwrap_or(self.state.version + 1),`
	`540`	`+ self.state.active.first().copied().unwrap_or(self.state.version + 1),`
`541`	`541`	`)`
`542`	`542`	`.encode();`
`543`	`543`	`let to = Key::Version(key.into(), u64::MAX).encode();`