From 6d15c1d1152975b34e912a85f5ad360e8e48c874 Mon Sep 17 00:00:00 2001
From: Andrea Boriero <andrea@hibernate.org>
Date: Tue, 10 Jan 2023 10:10:18 +0100
Subject: [PATCH] HHH-15647 Add test for issue

---
 .../test/hql/HqlSubselectParameterTest.java   | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 hibernate-core/src/test/java/org/hibernate/orm/test/hql/HqlSubselectParameterTest.java

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/hql/HqlSubselectParameterTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/hql/HqlSubselectParameterTest.java
new file mode 100644
index 0000000000..02e6562e1a
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/hql/HqlSubselectParameterTest.java
@@ -0,0 +1,89 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.orm.test.hql;
+
+import java.util.List;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+@DomainModel(
+		annotatedClasses = {
+				HqlSubselectParameterTest.Resource.class,
+				HqlSubselectParameterTest.Bookmark.class
+		}
+)
+@SessionFactory
+@TestForIssue(jiraKey = "HHH-15647")
+public class HqlSubselectParameterTest {
+
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					Resource resource = new Resource();
+					session.persist( resource );
+					Bookmark bookmark = new Bookmark();
+					session.persist( bookmark );
+
+				}
+		);
+	}
+
+	@Test
+	public void testHqlQuery(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					String query = "select rsrc, (select count(mrk.key) from bookmark as mrk where mrk.key=:identityKey) as myBookmarks from resource as rsrc";
+					List<Object[]> objects = session.createQuery( query, Object[].class )
+							.setParameter( "identityKey", 100l )
+							.getResultList();
+
+					assertThat( objects.size() ).isEqualTo( 1 );
+				}
+		);
+	}
+
+	@Entity(name = "bookmark")
+	@Table(name = "o_bookmark")
+	public static class Bookmark {
+
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		@Column(name = "id", nullable = false, unique = true, updatable = false)
+		private Long key;
+
+		private String name;
+
+	}
+
+	@Entity(name = "resource")
+	@Table(name = "o_resource")
+	public static class Resource {
+
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		@Column(name = "id", nullable = false, unique = true, updatable = false)
+		private Long key;
+
+		private String name;
+
+	}
+}