jayzhan211 commented on code in PR #9960:
URL: https://github.com/apache/arrow-datafusion/pull/9960#discussion_r1554431080
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datafusion/aggregate-functions/src/first_last.rs:
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@@ -393,53 +339,190 @@ impl Accumulator for FirstValueAccumulator {
}
}
-pub fn create_first_value_accumulator(
- acc_args: AccumulatorArgs,
-) -> Result<Box<dyn Accumulator>> {
- let mut all_sort_orders = vec![];
+/// TO BE DEPRECATED: Builtin FIRST_VALUE physical aggregate expression
Review Comment:
I think it may be replaced with udaf
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