viirya commented on code in PR #1910:
URL: https://github.com/apache/arrow-rs/pull/1910#discussion_r901135825
##########
arrow/src/array/array_dictionary.rs:
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@@ -128,7 +128,11 @@ impl<'a, K: ArrowPrimitiveType> DictionaryArray<K> {
&self.keys
}
- /// Returns the lookup key by doing reverse dictionary lookup
+ /// If `value` is present in `values` (aka the dictionary),
+ /// returns the coresponding key (index into the `values`
Review Comment:
typo?
```suggestion
/// returns the corresponding key (index into the `values`
```
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