comphead commented on code in PR #9498:
URL: https://github.com/apache/arrow-datafusion/pull/9498#discussion_r1517105061
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datafusion/physical-expr/src/window/lead_lag.rs:
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@@ -151,6 +149,64 @@ impl WindowShiftEvaluator {
}
}
+// implement ignore null for evaluate_all
+fn evaluate_all_with_ignore_null(
+ array: &ArrayRef,
+ offset: i64,
+ default_value: &ScalarValue,
+ is_lag: bool,
+) -> Result<ArrayRef, DataFusionError> {
+ let valid_indices: Vec<usize> = (0..array.len())
Review Comment:
there is already a method for that `array.nulls()`
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