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new 3bb13da316 MINOR: [C++] Fix a typo in Acero agg description (#37031)
3bb13da316 is described below
commit 3bb13da316e4ddd4a7aab26a0f099763f1d32b1f
Author: SGZW <[email protected]>
AuthorDate: Mon Aug 7 08:45:53 2023 +0800
MINOR: [C++] Fix a typo in Acero agg description (#37031)
### Rationale for this change
### What changes are included in this PR?
fix acero agg node typo
### Are these changes tested?
### Are there any user-facing changes?
Authored-by: SGZW <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>
---
cpp/src/arrow/acero/aggregate_internal.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cpp/src/arrow/acero/aggregate_internal.h
b/cpp/src/arrow/acero/aggregate_internal.h
index 01861f0242..744acb1245 100644
--- a/cpp/src/arrow/acero/aggregate_internal.h
+++ b/cpp/src/arrow/acero/aggregate_internal.h
@@ -52,7 +52,7 @@
// segment-keys is used to refine the partitioning. However, segment-keys are
different in
// that they partition only consecutive rows into a single group. Such a
partition of
// consecutive rows is called a segment group. For example, consider a column
X with
-// values [A, A, B, A] at row-indices [0, 1, 2]. A regular group-by
aggregation with keys
+// values [A, A, B, A] at row-indices [0, 1, 2, 3]. A regular group-by
aggregation with keys
// [X] yields a row-index partitioning [[0, 1, 3], [2]] whereas a
segmented-group-by
// aggregation with segment-keys [X] yields [[0, 1], [2], [3]].
//
