comphead commented on code in PR #2044:
URL: https://github.com/apache/datafusion-comet/pull/2044#discussion_r2240687173
##########
native/spark-expr/src/conversion_funcs/cast.rs:
##########
@@ -866,6 +867,40 @@ pub fn spark_cast(
}
}
+// copied from datafusion common scalar/mod.rs
+fn dict_from_values<K: ArrowDictionaryKeyType>(
Review Comment:
we can also play with `cast` kernel, looks like such cast might be supported
from `can_cast_types`
```
(_, Dictionary(_, value_type)) => can_cast_types(from_type,
value_type),
```
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