gabotechs commented on code in PR #15857:
URL: https://github.com/apache/datafusion/pull/15857#discussion_r2062676790
##########
datafusion/optimizer/src/analyzer/type_coercion.rs:
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@@ -726,6 +726,8 @@ fn extract_window_frame_target_type(col_type: &DataType) ->
Result<DataType> {
Ok(DataType::Interval(IntervalUnit::MonthDayNano))
} else if let DataType::Dictionary(_, value_type) = col_type {
extract_window_frame_target_type(value_type)
+ } else if let DataType::List(field) = col_type {
+ extract_window_frame_target_type(field.data_type())
Review Comment:
Not 100% sure what am I doing here. This seems necessary for window
functions over min/max aggregations on lists to work, and does not seem to be
breaking other things, but maybe more experienced DF folks can throw some light
here.
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