Support lower and upper scalar udf on dict arrays#22647
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albertlockett wants to merge 1 commit into
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Which issue does this PR close?
(if we need a dedicated issue for this PR specifically, happy to create one)
Rationale for this change
Have the
lowerandupperscalar UDFs capable of converting the case of dictionary arrays.Before this change, callers of these scalar UDFs would have to convert their columns to non-dictionary encoded arrays, where they may wish to avoid the overhead.
What changes are included in this PR?
Calls the
case_conversionfunction recursively on dictionary values if the input is a dictionary array.Are these changes tested?
Yes unit tests
Are there any user-facing changes?
No