[GitHub] [arrow-rs] tustvold opened a new issue, #1598: Filtering UnionArray Incorrect Handles Runs

[GitBox <gi...@apache.org>]

tustvold opened a new issue, #1598:
URL: https://github.com/apache/arrow-rs/issues/1598

   **Describe the bug**
   
   The filter kernel attempt to filter runs of contiguous slices, this currently breaks for UnionArrays.
   
   **To Reproduce**
   
   ```
   #[test]
   fn test_filter_run_union_array_dense() {
       let mut builder = UnionBuilder::new_dense(3);
       builder.append::<Int32Type>("A", 1).unwrap();
       builder.append::<Int32Type>("A", 3).unwrap();
       builder.append::<Int32Type>("A", 34).unwrap();
       let array = builder.build().unwrap();
   
       let filter_array = BooleanArray::from(vec![true, true, false]);
       let c = filter(&array, &filter_array).unwrap();
       let filtered = c.as_any().downcast_ref::<UnionArray>().unwrap();
   
       let mut builder = UnionBuilder::new_dense(3);
       builder.append::<Int32Type>("A", 1).unwrap();
       builder.append::<Int32Type>("A", 3).unwrap();
       let expected = builder.build().unwrap();
   
       assert_eq!(filtered.data(), expected.data());
   }
   ```
   
   **Expected behavior**
   
   The above test should pass
   
   **Additional context**
   Add any other context about the problem here.
   


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[GitHub] [arrow-rs] alamb closed issue #1598: Filtering UnionArray Incorrect Handles Runs

[GitBox <gi...@apache.org>]

alamb closed issue #1598: Filtering UnionArray Incorrect Handles Runs
URL: https://github.com/apache/arrow-rs/issues/1598


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