HHH-15916 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/joincolumn/embedded/CharArrayToStringInEmbeddedJoinColumnOrFormulaTest.java

@@ -0,0 +1,162 @@
+/*
+ * 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.mapping.joincolumn;
+
+import java.io.Serializable;
+
+import org.hibernate.annotations.JoinColumnOrFormula;
+import org.hibernate.annotations.JoinColumnsOrFormulas;
+import org.hibernate.annotations.JoinFormula;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Embeddable;
+import jakarta.persistence.EmbeddedId;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Marco Belladelli
+ */
+@SessionFactory
+@DomainModel(annotatedClasses = {
+		CharArrayToStringInEmbeddedJoinColumnOrFormulaTest.Vehicle.class,
+		CharArrayToStringInEmbeddedJoinColumnOrFormulaTest.VehicleInvoice.class
+})
+@JiraKey("HHH-15916")
+public class CharArrayToStringInEmbeddedJoinColumnOrFormulaTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			Vehicle vehicle = new Vehicle();
+			vehicle.setId( 1L );
+			vehicle.setStringProp1( "VO" );
+			vehicle.setStringProp2( "2020" );
+			session.persist( vehicle );
+			VehicleInvoice invoice = new VehicleInvoice();
+			invoice.setId( new VehicleInvoiceId( "VO".toCharArray(), "2020".toCharArray() ) );
+			invoice.setVehicle( vehicle );
+			session.persist( invoice );
+		} );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.createMutationQuery( "delete from VehicleInvoice" ).executeUpdate();
+			session.createMutationQuery( "delete from Vehicle" ).executeUpdate();
+		} );
+	}
+
+	@Test
+	public void testAssociation(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final VehicleInvoice vehicleInvoice = session.createQuery(
+					"from VehicleInvoice",
+					VehicleInvoice.class
+			).getSingleResult();
+			assertEquals( 1L, vehicleInvoice.getVehicle().getId() );
+			assertEquals( "VO", vehicleInvoice.getVehicle().getStringProp1() );
+			assertEquals( "2020", vehicleInvoice.getVehicle().getStringProp2() );
+		} );
+	}
+
+	@Embeddable
+	public static class VehicleInvoiceId implements Serializable {
+		@Column(name = "char_array_col_1")
+		private char[] charArrayProp1;
+
+		@Column(name = "char_array_col_2")
+		private char[] charArrayProp2;
+
+		public VehicleInvoiceId() {
+		}
+
+		public VehicleInvoiceId(char[] charArrayProp1, char[] charArrayProp2) {
+			this.charArrayProp1 = charArrayProp1;
+			this.charArrayProp2 = charArrayProp2;
+		}
+	}
+
+	@Entity(name = "VehicleInvoice")
+	public static class VehicleInvoice {
+		@EmbeddedId
+		private VehicleInvoiceId id;
+
+		@ManyToOne(fetch = FetchType.EAGER)
+		@JoinColumnsOrFormulas({
+				@JoinColumnOrFormula(formula = @JoinFormula(value = "trim(char_array_col_1)", referencedColumnName = "string_col_1")),
+				@JoinColumnOrFormula(column = @JoinColumn(name = "char_array_col_2", referencedColumnName = "string_col_2", insertable = false, updatable = false))
+		})
+		private Vehicle vehicle;
+
+		public VehicleInvoiceId getId() {
+			return id;
+		}
+
+		public void setId(VehicleInvoiceId id) {
+			this.id = id;
+		}
+
+		public Vehicle getVehicle() {
+			return vehicle;
+		}
+
+		public void setVehicle(Vehicle vehicle) {
+			this.vehicle = vehicle;
+		}
+	}
+
+	@Entity(name = "Vehicle")
+	public static class Vehicle implements Serializable {
+		@Id
+		private Long id;
+
+		@Column(name = "string_col_1", nullable = false)
+		private String stringProp1;
+
+		@Column(name = "string_col_2", nullable = false)
+		private String stringProp2;
+
+		public Long getId() {
+			return id;
+		}
+
+		public void setId(Long id) {
+			this.id = id;
+		}
+
+		public String getStringProp1() {
+			return stringProp1;
+		}
+
+		public void setStringProp1(String stringProp1) {
+			this.stringProp1 = stringProp1;
+		}
+
+		public String getStringProp2() {
+			return stringProp2;
+		}
+
+		public void setStringProp2(String stringProp2) {
+			this.stringProp2 = stringProp2;
+		}
+	}
+}
+