Jefffrey commented on code in PR #18981:
URL: https://github.com/apache/datafusion/pull/18981#discussion_r2572710816
##########
datafusion/common/src/cast.rs:
##########
@@ -334,3 +335,8 @@ pub fn as_list_view_array(array: &dyn Array) ->
Result<&ListViewArray> {
pub fn as_large_list_view_array(array: &dyn Array) ->
Result<&LargeListViewArray> {
Ok(downcast_value!(array, LargeListViewArray))
}
+
+// Downcast ArrayRef to RunArray
+pub fn as_run_array<R: RunEndIndexType>(array: &dyn Array) ->
Result<&RunArray<R>> {
Review Comment:
Might be useful to have anyway, following suit with similar functions for
other types above
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