HHH-18621 test for issue

Author: gavinking

hibernate-core/src/test/java/org/hibernate/orm/test/schema/JoinColumnDefinitionTest.java

@@ -0,0 +1,56 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.schema;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import org.hibernate.dialect.H2Dialect;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.hibernate.testing.orm.junit.RequiresDialect;
+import org.junit.jupiter.api.Test;
+
+@Jpa(annotatedClasses = {JoinColumnDefinitionTest.Entity1.class, JoinColumnDefinitionTest.Entity2.class})
+@RequiresDialect(H2Dialect.class)
+class JoinColumnDefinitionTest {
+
+	@Test @JiraKey("HHH-19118")
+	void hhh19118test(EntityManagerFactoryScope scope) {
+		scope.inTransaction( entityManager -> {
+			entityManager.persist(new Entity1());
+			entityManager.persist(new Entity2());
+		} );
+	}
+
+	@Entity
+	public static class Entity1 {
+
+		@Id
+		@Column(columnDefinition = "bigint not null generated by default as identity")
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		Long id;
+
+		@JoinColumn(columnDefinition = "bigint comment 'entity2 ID'")
+		@ManyToOne
+		Entity2 entity2;
+	}
+
+	@Entity
+	public static class Entity2 {
+
+		@Id
+		@Column(columnDefinition = "bigint not null generated by default as identity")
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		Long id;
+
+		String name;
+	}
+}