From 0c1b7b9588d7c01b525ad344177c51d5b702efbf Mon Sep 17 00:00:00 2001
From: Kazuyuki Tanimura <ktanimura@apple.com>
Date: Sat, 28 Mar 2026 01:14:25 -0700
Subject: [PATCH] fix: negative zero sort

---
 .../test/scala/org/apache/comet/exec/CometExecSuite.scala | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/spark/src/test/scala/org/apache/comet/exec/CometExecSuite.scala b/spark/src/test/scala/org/apache/comet/exec/CometExecSuite.scala
index aff1816265..2a1bea169e 100644
--- a/spark/src/test/scala/org/apache/comet/exec/CometExecSuite.scala
+++ b/spark/src/test/scala/org/apache/comet/exec/CometExecSuite.scala
@@ -1673,6 +1673,14 @@ class CometExecSuite extends CometTestBase {
     }
   }
 
+  test("negative zero order by") {
+    withTable("t1") {
+      Seq(0.0f, -0.0f).toDF("a").write.saveAsTable("t1")
+      val df = sql("SELECT * FROM t1 ORDER BY a")
+      checkSparkAnswerAndOperator(df)
+    }
+  }
+
   test("native execution after coalesce") {
     withTable("t1") {
       (0 until 5)