jayzhan211 commented on code in PR #10077:
URL:
https://github.com/apache/arrow-datafusion/pull/10077#discussion_r1564548305
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datafusion/expr/src/type_coercion/functions.rs:
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@@ -435,15 +437,15 @@ fn coerced_from<'a>(
// Note that not all rules in `comparison_coercion` can be reused here.
// For example, all numeric types can be coerced into Utf8 for
comparison,
// but not for function arguments.
- _ => comparison_binary_numeric_coercion(type_into, type_from).and_then(
- |coerced_type| {
+ _ => comparison_binary_numeric_coercion(type_into, type_from)
+ .or_else(|| dictionary_coercion(type_into, type_from, true))
Review Comment:
Should we check the inner data type with `coerced_from` instead of
`comparison_coercion` 🤔 ?
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