tustvold commented on code in PR #4707:
URL: https://github.com/apache/arrow-rs/pull/4707#discussion_r1296364918
##########
arrow-array/src/array/dictionary_array.rs:
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@@ -930,6 +928,64 @@ where
}
}
+/// Returns a [`AnyDictionaryArray`] if `array` is a dictionary
+///
+/// This can be used to efficiently implement kernels for all possible
dictionary
+/// keys without needing to create specialized implementations for each key
type
+pub fn as_any_dictionary_array(array: &dyn Array) -> Option<&dyn
AnyDictionaryArray> {
Review Comment:
Moved to AsArray
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