adriangb commented on issue #12380:
URL: https://github.com/apache/datafusion/issues/12380#issuecomment-2336588761
I can reproduce with:
```rust
let values = vec![Some(true), Some(false), None, Some(true)];
let keys = vec![0, 0, 1, 2, 1, 3, 1];
let values_array = BooleanArray::from(values);
let keys_array = Int8Array::from(keys);
let array = DictionaryArray::new(
keys_array,
Arc::new(values_array) as Arc<dyn Array>,
);
let field = Field::new(
"my_dict",
DataType::Dictionary(Box::new(DataType::Int8),
Box::new(DataType::Boolean)),
true,
);
let schema = Arc::new(Schema::new(vec![field]));
let batch = RecordBatch::try_new(schema, vec![Arc::new(array)]).unwrap();
let ctx = SessionContext::new();
ctx.register_batch("dict_batch", batch).unwrap();
let df = ctx.table("dict_batch").await.unwrap();
// view_all
let expected = [
"+---------+",
"| my_dict |",
"+---------+",
"| true |",
"| true |",
"| false |",
"| |",
"| false |",
"| true |",
"| false |",
"+---------+",
];
assert_batches_eq!(expected, &df.clone().collect().await.unwrap());
// filter where is null
let result_df = df.clone().filter(col("my_dict")).unwrap();
let expected = [
"+---------+",
"| my_dict |",
"+---------+",
"| true |",
"| true |",
"| false |",
"| false |",
"| true |",
"| false |",
"+---------+",
];
assert_batches_eq!(expected, &result_df.collect().await.unwrap());
```
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