Minor: support cast values to fixedsizelist #5340
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tustvold
approved these changes
Jan 30, 2024
arrow-cast/src/cast.rs
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| @@ -141,6 +141,8 @@ pub fn can_cast_types(from_type: &DataType, to_type: &DataType) -> bool { | |||
| } | |||
| (_, List(list_to)) => can_cast_types(from_type, list_to.data_type()), | |||
| (_, LargeList(list_to)) => can_cast_types(from_type, list_to.data_type()), | |||
| (_, FixedSizeList(list_to,size)) if size.eq(&1_i32) => { | |||
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Suggested change
| (_, FixedSizeList(list_to,size)) if size.eq(&1_i32) => { | |
| (_, FixedSizeList(list_to,size)) if *size == 1 => { |
arrow-cast/src/cast.rs
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| fn cast_values_to_fixed_size_list( | ||
| array: &dyn Array, | ||
| to: &FieldRef, | ||
| size: &i32, |
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| size: &i32, | |
| size: i32, |
arrow-cast/src/cast.rs
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| @@ -802,6 +804,9 @@ pub fn cast_with_options( | |||
| } | |||
| (_, List(ref to)) => cast_values_to_list::<i32>(array, to, cast_options), | |||
| (_, LargeList(ref to)) => cast_values_to_list::<i64>(array, to, cast_options), | |||
| (_, FixedSizeList(ref to, size)) if size.eq(&1_i32) => { | |||
| cast_values_to_fixed_size_list(array, to, size, cast_options) | |||
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| cast_values_to_fixed_size_list(array, to, size, cast_options) | |
| cast_values_to_fixed_size_list(array, to, *size, cast_options) |
arrow-cast/src/cast.rs
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| let list_array = cast(&array, &DataType::LargeList(field.clone())).unwrap(); | ||
| let actual = list_array | ||
| .as_any() | ||
| .downcast_ref::<LargeListArray>() |
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Can we use AsArray please
tustvold
changed the title
Co-authored-by: Raphael Taylor-Davies <[email protected]>
|
Thanks again @Weijun-H |
|
Is there any particular reason we don't support the opposite -- i.e. "unwrap" a |
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@sadboy it seems like a good idea to support the inverse (casting from FixedSizeList --> List/LargeList) i am not quite sure what you mean by |
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Which issue does this PR close?
Closes #5339
Rationale for this change
What changes are included in this PR?
Are there any user-facing changes?