Change first/last implementation to prevent redundant comparisons when data is already sorted #8678
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| pub fn convert_to_last(self) -> LastValue { | ||
| let name = if self.name.starts_with("FIRST") { |
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case sensitive, or it comes upper case always?
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AFAIK it always comes in uppercase.
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Which issue does this PR close?
Closes #.
Rationale for this change
This is a follow up PR for PR8662. With the changes in this PR, first last aggregation does not make comparisons on its data when it is known that their input data already satisfies the ordering requirement.
What changes are included in this PR?
Are these changes tested?
Are there any user-facing changes?