Fix bug in DictionaryVector with nullable indices

apache · Feb 28, 2018 · 3fb9a26 · 3fb9a26
1 parent 2888657
commit 3fb9a26
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/js/src/vector.ts b/js/src/vector.ts
@@ -399,6 +399,9 @@ export class DictionaryVector<T extends DataType = DataType> extends Vector<Dict
     public readonly dictionary: Vector<T>;
     constructor(data: Data<Dictionary<T>>, view: View<Dictionary<T>> = new DictionaryView<T>(data.dictionary, new IntVector(data.indices))) {
         super(data as Data<any>, view);
+        if (view instanceof ValidityView) {
+            view = (view as any).view;
+        }
         if (data instanceof DictionaryData && view instanceof DictionaryView) {
             this.indices = view.indices;
             this.dictionary = data.dictionary;