HHH-15269 Add test for issue

Author: dreab8

hibernate-core/src/test/java/org/hibernate/orm/test/query/NativeQuerySchemaPlaceholderTest.java

@@ -0,0 +1,97 @@
+package org.hibernate.orm.test.query;
+
+import java.util.List;
+
+import org.hibernate.query.sql.spi.NativeQueryImplementor;
+
+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.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Tuple;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+@DomainModel(
+		annotatedClasses = { NativeQuerySchemaPlaceholderTest.TestEntity.class }
+)
+@SessionFactory
+@TestForIssue(jiraKey = "HHH-15269")
+public class NativeQuerySchemaPlaceholderTest {
+
+	@BeforeEach
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					TestEntity testEntity = new TestEntity( 1l, "test" );
+					session.persist( testEntity );
+				}
+		);
+	}
+
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createMutationQuery( "delete from TestEntity" ).executeUpdate();
+				}
+		);
+	}
+
+	@Test
+	public void testUpdate(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					NativeQueryImplementor<Tuple> nativeQuery = session.createNativeQuery(
+							"UPDATE {h-schema}TestEntity SET name = 'updated_test'"
+					);
+					nativeQuery.executeUpdate();
+				}
+		);
+
+		scope.inTransaction(
+				session -> {
+					List<TestEntity> testEntities = session.createQuery( "from TestEntity", TestEntity.class )
+							.list();
+					TestEntity testEntity = testEntities.get( 0 );
+					assertThat( testEntity.name, is( "updated_test" ) );
+				}
+		);
+	}
+
+	@Test
+	public void testSelect(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					NativeQueryImplementor<Long> nativeQuery = session.createNativeQuery(
+							"select id from {h-schema}TestEntity", Long.class
+					);
+					List<Long> results = nativeQuery.list();
+					assertThat( results.get( 0 ), is( 1l ) );
+				}
+		);
+	}
+
+	@Entity(name = "TestEntity")
+	public static class TestEntity {
+		@Id
+		private Long id;
+
+		private String name;
+
+		public TestEntity() {
+		}
+
+		public TestEntity(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+	}
+}