From 14c2e84bd1eb126034afad68c0adfbee0a17e6db Mon Sep 17 00:00:00 2001
From: PHILO-HE <he_feilong@126.com>
Date: Tue, 10 Dec 2024 23:51:16 +0800
Subject: [PATCH] Adjust for preceding

---
 velox/exec/WindowPartition.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/velox/exec/WindowPartition.cpp b/velox/exec/WindowPartition.cpp
index 19f33812ed548..3ca765623c600 100644
--- a/velox/exec/WindowPartition.cpp
+++ b/velox/exec/WindowPartition.cpp
@@ -426,9 +426,7 @@ void WindowPartition::updateKRangeFrameBounds(
               mappedFrameColumn,
               flags);
           if (compareResult <= 0) {
-            start = lastFoundIndex == -1
-                ? 0
-                : std::min(lastFoundIndex, numRows - 1);
+            start = lastFoundIndex == -1 ? 0 : lastFoundIndex;
           } else {
             start = 0;
           }