tustvold opened a new pull request, #2808:
URL: https://github.com/apache/arrow-datafusion/pull/2808
_Draft as likely needs a bit more testing_
# Which issue does this PR close?
Part of #1178
# Rationale for this change
Arrow-rs supports native evaluation on dictionaries for comparison
operations against other dictionaries and scalars. We should make use of this
to avoid hydrating dictionaries unnecessarily
# What changes are included in this PR?
Tweaks the coercion rules to coerce to the dictionary type if supported by
the operator
# Are there any user-facing changes?
No
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