vaibhawvipul commented on PR #627:
URL: https://github.com/apache/datafusion-comet/pull/627#issuecomment-2209284039
> Thanks @vaibhawvipul. This is looking good. There is also this section in
`cast.rs`:
>
> ```rust
> fn cast_array(&self, array: ArrayRef) -> DataFusionResult<ArrayRef> {
> let to_type = &self.data_type;
> let array = array_with_timezone(array, self.timezone.clone(),
Some(to_type))?;
> let from_type = array.data_type().clone();
>
> // unpack dictionary string arrays first
> // TODO: we are unpacking a dictionary-encoded array and then
performing
> // the cast. We could potentially improve performance here by
casting the
> // dictionary values directly without unpacking the array first,
although this
> // would add more complexity to the code
> ```
This is done @andygrove . Thank you for pointing this out.
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