jayzhan211 commented on code in PR #8317:
URL: https://github.com/apache/arrow-datafusion/pull/8317#discussion_r1421181421
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datafusion/expr/src/signature.rs:
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@@ -95,6 +95,8 @@ pub enum TypeSignature {
VariadicEqual,
/// One or more arguments with arbitrary types
VariadicAny,
+ /// A function such as `make_array` should be coerced to the same type
+ VariadicCoerced,
Review Comment:
I think current `VariadicCoerced` includes `VariadicEqual` use case as well.
We can just have one signature
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