Use fixed size slots in OrderPreservingInterner (apache#2677)

tustvold · Oct 3, 2022 · 598294a · 598294a
1 parent da8f742
commit 598294a
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/arrow/src/row/interner.rs b/arrow/src/row/interner.rs
@@ -305,12 +305,17 @@ struct Slot {
 ///
 #[derive(Debug, Clone)]
 struct Bucket {
-    slots: Box<[Slot]>,
+    slots: Box<[Slot; 255]>,
 }
 
 impl Default for Bucket {
     fn default() -> Self {
-        let slots = (0..255).map(|_| Slot::default()).collect::<Vec<_>>().into();
+        let slots = (0..255)
+            .map(|_| Slot::default())
+            .collect::<Vec<_>>()
+            .into_boxed_slice()
+            .try_into()
+            .unwrap();
         Self { slots }
     }
 }