HHH-15260 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/SubqueryJoinTest.java

@@ -0,0 +1,134 @@
+package org.hibernate.orm.test.query.criteria;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.ElementCollection;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Join;
+import jakarta.persistence.criteria.Root;
+import jakarta.persistence.criteria.Subquery;
+import jakarta.validation.constraints.NotNull;
+
+@Jpa(
+		annotatedClasses = {
+				SubqueryJoinTest.TestContext.class,
+				SubqueryJoinTest.TestUser.class,
+		}
+)
+public class SubqueryJoinTest {
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-15260")
+	public void subqueryJoinTest(EntityManagerFactoryScope scope) {
+		scope.inEntityManager(
+				entityManager -> {
+					final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
+
+					final CriteriaQuery<TestContext> c = cb.createQuery( TestContext.class );
+					final Root<TestContext> from = c.from( TestContext.class );
+					from.join( "user" );
+
+					final Subquery<TestUser.TestMarker> subQuery = c.subquery( TestUser.TestMarker.class );
+					final Root<TestUser> sRoot = subQuery.from( TestUser.class );
+					final Join<TestUser, TestUser.TestMarker> join = sRoot.join( "markers" );
+					subQuery.where( cb.equal( sRoot.get( "id" ), from.get( "user" ).get( "id" ) ) );
+					subQuery.select( join );
+					c.where( cb.exists( subQuery ).not() );
+
+					entityManager.createQuery( c ).getResultList();
+				}
+		);
+	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-15260")
+	public void subqueryJoinTest2(EntityManagerFactoryScope scope) {
+		scope.inEntityManager(
+				entityManager -> {
+					final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
+
+					final CriteriaQuery<TestContext> c = cb.createQuery( TestContext.class );
+					final Root<TestContext> from = c.from( TestContext.class );
+					from.join( "user" ).join( "context" );
+
+					final Subquery<TestUser.TestMarker> subQuery = c.subquery( TestUser.TestMarker.class );
+					final Root<TestUser> sRoot = subQuery.from( TestUser.class );
+					final Join<TestUser, TestUser.TestMarker> join = sRoot.join( "markers" );
+					sRoot.join( "context" );
+					subQuery.where( cb.equal( sRoot.get( "id" ), from.get( "user" ).get( "context" ).get( "user" ).get( "id" ) ) );
+					subQuery.select( join );
+					c.where( cb.exists( subQuery ).not() );
+
+					entityManager.createQuery( c ).getResultList();
+				}
+		);
+	}
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-15260")
+	public void subqueryJoinTest3(EntityManagerFactoryScope scope) {
+		scope.inEntityManager(
+				entityManager -> {
+					final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
+
+					final CriteriaQuery<TestContext> c = cb.createQuery( TestContext.class );
+					final Root<TestContext> from = c.from( TestContext.class );
+					from.join( "user" ).join( "context" );
+
+					final Subquery<TestUser.TestMarker> subQuery = c.subquery( TestUser.TestMarker.class );
+					final Root<TestUser> sRoot = subQuery.from( TestUser.class );
+					final Join<TestUser, TestUser.TestMarker> join = sRoot.join( "markers" );
+					sRoot.join( "context" );
+					subQuery.where( cb.equal( sRoot.get( "id" ), from.get( "user" ).get( "context" ).get( "id" ) ) );
+					subQuery.select( join );
+					c.where( cb.exists( subQuery ).not() );
+
+					entityManager.createQuery( c ).getResultList();
+				}
+		);
+	}
+
+	@Entity(name = "TestContext")
+	public static class TestContext {
+
+		@Id
+		private Integer id;
+
+		@NotNull
+		@OneToOne(optional = false)
+		private TestUser user;
+
+	}
+
+	@Entity(name = "TestUser")
+	public static class TestUser {
+
+		@Id
+		private Integer id;
+
+		@ManyToOne
+		private TestContext context;
+
+		@ElementCollection
+		@Enumerated(EnumType.STRING)
+		private List<TestMarker> markers = new ArrayList<>();
+
+		public enum TestMarker {
+			TEST
+		}
+	}
+
+}