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new 334d449ff7 Minor: Add documentation to
`AggregateWindowExpr::get_result_column` (#16479)
334d449ff7 is described below
commit 334d449ff778af590a7d8421544ac60222e5f69b
Author: Andrew Lamb <and...@nerdnetworks.org>
AuthorDate: Tue Jun 24 18:24:07 2025 -0400
Minor: Add documentation to `AggregateWindowExpr::get_result_column`
(#16479)
* Minor: Add documentation to `AggregateWindowExpr::get_result_column`
* Update datafusion/physical-expr/src/window/window_expr.rs
---
datafusion/physical-expr/src/window/window_expr.rs | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/datafusion/physical-expr/src/window/window_expr.rs
b/datafusion/physical-expr/src/window/window_expr.rs
index d994e8be1d..dd671e0685 100644
--- a/datafusion/physical-expr/src/window/window_expr.rs
+++ b/datafusion/physical-expr/src/window/window_expr.rs
@@ -263,6 +263,15 @@ pub trait AggregateWindowExpr: WindowExpr {
/// Calculates the window expression result for the given record batch.
/// Assumes that `record_batch` belongs to a single partition.
+ ///
+ /// # Arguments
+ /// * `accumulator`: The accumulator to use for the calculation.
+ /// * `record_batch`: batch belonging to the current partition (see
[`PartitionBatchState`]).
+ /// * `most_recent_row`: the batch that contains the most recent row, if
available (see [`PartitionBatchState`]).
+ /// * `last_range`: The last range of rows that were processed (see
[`WindowAggState`]).
+ /// * `window_frame_ctx`: Details about the window frame (see
[`WindowFrameContext`]).
+ /// * `idx`: The index of the current row in the record batch.
+ /// * `not_end`: is the current row not the end of the partition (see
[`PartitionBatchState`]).
#[allow(clippy::too_many_arguments)]
fn get_result_column(
&self,
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