From 72451affb649f0f6a23ce83de8d31f7a3f9d03b7 Mon Sep 17 00:00:00 2001
From: Ruben Quesada Lopez <rubenql@gmail.com>
Date: Sat, 13 Jul 2024 11:41:54 +0100
Subject: [PATCH] Minor: add Quidem test

---
 core/src/test/resources/sql/sub-query.iq | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/core/src/test/resources/sql/sub-query.iq b/core/src/test/resources/sql/sub-query.iq
index 69b05cad8dc8..460618045c78 100644
--- a/core/src/test/resources/sql/sub-query.iq
+++ b/core/src/test/resources/sql/sub-query.iq
@@ -3800,4 +3800,18 @@ SELECT array(SELECT empno FROM emp WHERE empno > 7800 ORDER BY empno DESC LIMIT
 
 !ok
 
+# [CALCITE-6468] RelDecorrelator throws AssertionError if correlated variable
+# is used as Aggregate group key
+WITH agg_sal AS
+ (SELECT deptno, sum(sal) AS total FROM emp GROUP BY deptno)
+SELECT 1 FROM agg_sal s1
+WHERE s1.total > (SELECT avg(total) FROM agg_sal s2 WHERE s1.deptno = s2.deptno);
++--------+
+| EXPR$0 |
++--------+
++--------+
+(0 rows)
+
+!ok
+
 # End sub-query.iq