marvinlanhenke commented on issue #10926:
URL: https://github.com/apache/datafusion/issues/10926#issuecomment-2171055990
@alamb
...should we also change the signature and return `Result<Uint64Array>`?
This however, would require to downcast_ref the result from `new_null_array`
and clone the result.
Something like:
```Rust
let Some(parquet_index) = self.parquet_index else {
return Ok(self
.make_null_array(&DataType::UInt64, metadatas)
.as_any()
.downcast_ref::<UInt64Array>()
.expect("failed to downcast array")
.clone());
};
```
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