From 8b884d198b0967ef9c77ced04ff0aa476879ceb4 Mon Sep 17 00:00:00 2001
From: Richard Baah <richard.work.www25@gmail.com>
Date: Wed, 21 Oct 2026 11:57:36 -0400
Subject: [PATCH] bench(arrow): cover 0.5% coalesce selectivity

---
 arrow/benches/coalesce_kernels.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arrow/benches/coalesce_kernels.rs b/arrow/benches/coalesce_kernels.rs
index d43001a51449..ffe10320412b 100644
--- a/arrow/benches/coalesce_kernels.rs
+++ b/arrow/benches/coalesce_kernels.rs
@@ -160,8 +160,8 @@ fn add_all_filter_benchmarks(c: &mut Criterion) {
 
     // Null density: 0, 10%
     for null_density in [0.0, 0.1] {
-        // Selectivity: 0.1%, 1%, 10%, 80%
-        for selectivity in [0.001, 0.01, 0.1, 0.8] {
+        // Selectivity: 0.1%, 0.5%, 1%, 10%, 80%
+        for selectivity in [0.001, 0.005, 0.01, 0.1, 0.8] {
             FilterBenchmarkBuilder {
                 c,
                 name: "primitive",