From b8d26f829e7ae33ef93fb91c5517a5d07a056eac Mon Sep 17 00:00:00 2001
From: Gavin King <gavin@hibernate.org>
Date: Thu, 6 Jan 2022 21:59:34 +0100
Subject: [PATCH] add a test for selecting a datetime literal

seems to be causing problems in 2 dbs
---
 .../orm/test/query/hql/LiteralTests.java      | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/LiteralTests.java b/hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/LiteralTests.java
index 5b12ccbf77..9175cb40f2 100644
--- a/hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/LiteralTests.java
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/LiteralTests.java
@@ -15,10 +15,18 @@ import org.junit.jupiter.api.Test;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.sql.Date;
+import java.sql.Time;
+import java.sql.Timestamp;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
 
 import org.hibernate.type.descriptor.java.PrimitiveByteArrayJavaTypeDescriptor;
 
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.instanceOf;
 import static org.hamcrest.Matchers.is;
 
 /**
@@ -191,6 +199,37 @@ public class LiteralTests {
 		);
 	}
 
+	@Test
+	public void testSelectDatetimeLiterals(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					assertThat( session.createQuery( "select datetime 1999-07-23 23:59" ).getSingleResult(),
+							is( instanceOf(LocalDateTime.class) ) );
+					assertThat( session.createQuery( "select date 1999-07-23" ).getSingleResult(),
+							is( instanceOf(LocalDate.class) ) );
+					assertThat( session.createQuery( "select time 23:59" ).getSingleResult(),
+							is( instanceOf(LocalTime.class) ) );
+
+					assertThat( session.createQuery( "select local datetime" ).getSingleResult(),
+							is( instanceOf(LocalDateTime.class) ) );
+					assertThat( session.createQuery( "select local date" ).getSingleResult(),
+							is( instanceOf(LocalDate.class) ) );
+					assertThat( session.createQuery( "select local time" ).getSingleResult(),
+							is( instanceOf(LocalTime.class) ) );
+
+					assertThat( session.createQuery( "select instant" ).getSingleResult(),
+							is( instanceOf(Instant.class) ) );
+
+					assertThat( session.createQuery( "select current timestamp" ).getSingleResult(),
+							is( instanceOf(Timestamp.class) ) );
+					assertThat( session.createQuery( "select current date" ).getSingleResult(),
+							is( instanceOf(Date.class) ) );
+					assertThat( session.createQuery( "select current time" ).getSingleResult(),
+							is( instanceOf(Time.class) ) );
+				}
+		);
+	}
+
 	@Test
 	public void testBooleanLiteral(SessionFactoryScope scope) {
 		scope.inTransaction(