gstvg opened a new pull request, #6304:
URL: https://github.com/apache/arrow-rs/pull/6304
# Which issue does this PR close?
N/A
# Rationale for this change
Filtering structs and sparse unions is just filtering children arrays:
If any concrete children has a specialized filter, currently this is
bypassed and `MutableArrayData` is used instead
With this change, those specializations are used.
# What changes are included in this PR?
Structs and sparse unions filter specialization
If the filtered array is a multi column struct or a non-fieldless union,
optimize the filter predicate
Add `as_union` and `as_union_opt` to `AsArray` sealed trait
# Are there any user-facing changes?
No
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