HHH-18723 Support @SQLRestriction in class marked as @MappedSuperclass

Author: a-e-tsvetkov

hibernate-core/src/main/java/org/hibernate/annotations/SQLRestriction.java

@@ -4,6 +4,7 @@
  */
 package org.hibernate.annotations;
 
+import java.lang.annotation.Inherited;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
@@ -62,6 +63,7 @@
  */
 @Target({TYPE, METHOD, FIELD})
 @Retention(RUNTIME)
+@Inherited
 public @interface SQLRestriction {
 	/**
 	 * A predicate, written in native SQL.

hibernate-core/src/test/java/org/hibernate/orm/test/where/annotations/MappedSuperclassTest.java

@@ -0,0 +1,80 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.where.annotations;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+import org.hibernate.annotations.SQLRestriction;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+@Jpa(
+		annotatedClasses = {
+				MappedSuperclassTest.Child.class
+		}
+)
+public class MappedSuperclassTest {
+
+	@AfterEach
+	public void tearDown(EntityManagerFactoryScope scope) {
+		scope.inTransaction(
+				entityManager ->
+						entityManager.createQuery( "delete from Child" ).executeUpdate()
+		);
+	}
+
+	@Test
+	public void testFindParent(EntityManagerFactoryScope scope) {
+		scope.inTransaction(
+				entityManager -> {
+					Child child1 = new Child( 1L );
+					child1.flag = true;
+					entityManager.persist( child1 );
+
+					Child child2 = new Child( 2L );
+					child2.flag = false;
+					entityManager.persist( child2 );
+				}
+		);
+		scope.inTransaction(
+				entityManager -> {
+					List<Child> children = entityManager.createQuery( "select c from Child c", Child.class )
+							.getResultList();
+					assertThat( children.size() ).isEqualTo( 1 );
+				}
+		);
+	}
+
+	@Entity(name = "Child")
+	public static class Child extends Intermediate {
+		@Id
+		private Long id;
+
+		public Child() {
+		}
+
+		public Child(long id) {
+			this.id = id;
+		}
+	}
+	public static class Intermediate extends Parent {
+	}
+
+	@MappedSuperclass
+	@SQLRestriction("flag = false")
+	public static class Parent {
+		public Parent() {
+		}
+
+		boolean flag;
+	}
+}