HHH-17605 Fix native query selecting multiple of the same entity result

hibernate-core/src/main/java/org/hibernate/query/sql/internal/ResultSetMappingProcessor.java

@@ -298,7 +298,7 @@ public class ResultSetMappingProcessor implements SQLQueryParser.ParserContext {
 				rootReturn.getTableAlias(),
 				suffix,
 				rootReturn.getLockMode(),
-				new NavigablePath( rootReturn.getEntityMapping().getEntityName() )
+				new NavigablePath( rootReturn.getEntityMapping().getEntityName(), rootReturn.getTableAlias() )
 		);
 	}
 

hibernate-core/src/test/java/org/hibernate/orm/test/query/sql/NativeQueryMultipleEntityResultTest.java

@@ -0,0 +1,83 @@
+/*
+ * 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.query.sql;
+
+import org.hibernate.testing.orm.domain.gambit.BasicEntity;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+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.Tuple;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = BasicEntity.class )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17605" )
+public class NativeQueryMultipleEntityResultTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.persist( new BasicEntity( 1, "entity_1" ) );
+			session.persist( new BasicEntity( 2, "entity_2" ) );
+		} );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from BasicEntity" ).executeUpdate() );
+	}
+
+	@Test
+	public void testEntityResult(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final BasicEntity result = session.createNativeQuery(
+					"select be.id, be.data from BasicEntity be where be.id = 1",
+					BasicEntity.class
+			).getSingleResult();
+			assertThat( result.getId() ).isEqualTo( 1 );
+			assertThat( result.getData() ).isEqualTo( "entity_1" );
+		} );
+	}
+
+	@Test
+	public void testSingleAlias(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final BasicEntity result = session.createNativeQuery(
+					"SELECT {be1.*}  FROM BasicEntity be1 WHERE be1.id = 1",
+					BasicEntity.class,
+					"be1"
+			).getSingleResult();
+			assertThat( result.getId() ).isEqualTo( 1 );
+			assertThat( result.getData() ).isEqualTo( "entity_1" );
+		} );
+	}
+
+	@Test
+	public void testMultipleAliases(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final Tuple result = session.createNativeQuery(
+							"SELECT {be1.*}, {be2.*}  FROM BasicEntity be1, BasicEntity be2 WHERE be1.id = 1 and be2.id = 2",
+							Tuple.class
+					)
+					.addEntity( "be1", BasicEntity.class )
+					.addEntity( "be2", BasicEntity.class )
+					.getSingleResult();
+			assertThat( result.get( 0, BasicEntity.class ).getId() ).isEqualTo( 1 );
+			assertThat( result.get( 0, BasicEntity.class ).getData() ).isEqualTo( "entity_1" );
+			assertThat( result.get( 1, BasicEntity.class ).getId() ).isEqualTo( 2 );
+			assertThat( result.get( 1, BasicEntity.class ).getData() ).isEqualTo( "entity_2" );
+		} );
+	}
+}