jayzhan211 commented on code in PR #14440:
URL: https://github.com/apache/datafusion/pull/14440#discussion_r1952259827
##########
datafusion/expr-common/src/signature.rs:
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@@ -460,6 +521,44 @@ fn get_data_types(native_type: &NativeType) ->
Vec<DataType> {
}
}
+#[derive(Debug, Clone, Eq, PartialOrd)]
+pub struct Coercion {
Review Comment:
This is completely another issue 😅 , before that we need to improve existing
function signature
provide their own coercion rules not own signature
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