alamb commented on code in PR #17113:
URL: https://github.com/apache/datafusion/pull/17113#discussion_r2282718716
##########
datafusion/functions/src/math/round.rs:
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@@ -84,9 +79,41 @@ impl ScalarUDFImpl for RoundFunc {
&self.signature
}
+ fn coerce_types(&self, arg_types: &[DataType]) -> Result<Vec<DataType>> {
Review Comment:
why do we need a custom coerce types method? Why not just add two more
entries to the existing table of `one_of`?
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