parquet binary: pre-alloc binary buffer

jorgecarleitao · Jul 28, 2022 · 8a74c75 · 8a74c75
1 parent 2d6ee11
commit 8a74c75
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/io/parquet/read/deserialize/binary/utils.rs b/src/io/parquet/read/deserialize/binary/utils.rs
@@ -42,7 +42,7 @@ impl<O: Offset> Binary<O> {
         offsets.push(O::default());
         Self {
             offsets: Offsets(offsets),
-            values: vec![],
+            values: Vec::with_capacity(capacity * 24),
             last_offset: O::default(),
         }
     }