jayzhan211 commented on code in PR #14268:
URL: https://github.com/apache/datafusion/pull/14268#discussion_r1933063432
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datafusion/expr/src/type_coercion/functions.rs:
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@@ -584,23 +544,7 @@ fn get_valid_types(
match target_type_class {
TypeSignatureClass::Native(native_type) => {
let target_type = native_type.native();
- if &logical_type == target_type {
Review Comment:
@shehabgamin
I suggest with revert to the previous change and add binary->string casting
given most of the string function allow this kind of casting, but not
int->string like `ascii(2)`
For Signature::String, we can make it a convenient wrapper of
`Coercible(string, string)` or deprecate it.
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