HHH-16868 - add test for issue (no fix required)

Signed-off-by: Jan Schatteman <jschatte@redhat.com>

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

@@ -0,0 +1,128 @@
+/*
+ * 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;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.dialect.H2Dialect;
+import org.hibernate.query.Query;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.RequiresDialect;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.hibernate.testing.orm.junit.SettingProvider;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Jan Schatteman
+ */
+@DomainModel(annotatedClasses = {InExpressionCountLimitExceededTest.MyEntity.class} )
+@ServiceRegistry(
+		settingProviders = @SettingProvider( provider = InExpressionCountLimitExceededTest.TestSettingProvider.class, settingName = AvailableSettings.DIALECT),
+		settings = { @Setting(name=AvailableSettings.STATEMENT_BATCH_SIZE, value = "60") }
+)
+@SessionFactory()
+@RequiresDialect( value = H2Dialect.class, majorVersion = 2 )
+@JiraKey(value = "HHH-16868")
+public class InExpressionCountLimitExceededTest {
+
+	public static class TestSettingProvider implements SettingProvider.Provider<String> {
+		@Override
+		public String getSetting() {
+			return TestDialect.class.getName();
+		}
+	}
+
+	public static class TestDialect extends H2Dialect {
+		@Override
+		public int getInExpressionCountLimit() {
+			return 15;
+		}
+	}
+
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> session.createMutationQuery( "delete from MyEntity" ).executeUpdate()
+		);
+	}
+
+	@Test
+	public void verifyThatSplitInClausesAreSurroundedByParenthesis(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					for ( int i = 1; i <= 60; i++ ) {
+						final MyEntity e = new MyEntity( i, i%3 == 0 ? "EveryThirdEntity #" + i : "Entity #" + i );
+						session.persist( e );
+					}
+				}
+		);
+		List<Integer> selectedIds = new ArrayList<>();
+		for ( int i = 1; i <= 60; i++ ) {
+			if ( i%2 == 0) {
+				selectedIds.add( i );
+			}
+		}
+		scope.inTransaction(
+				session -> {
+					Query<MyEntity> q = session.createQuery( "select e from MyEntity e where e.id in ?1 and e.text like 'EveryThirdEntity%'", MyEntity.class );
+					q.setParameterList(1, selectedIds);
+					List<MyEntity> results = q.getResultList();
+					assertEquals(10, results.size());
+					for (MyEntity e : results) {
+						assertEquals( e.getId()%6, 0 );
+						assertEquals( "EveryThirdEntity", e.getText().split( " " )[0] );
+					}
+				}
+		);
+	}
+	@Entity(name = "MyEntity")
+	@Table(name = "MyEntity")
+	public static class MyEntity {
+		@Id
+		Integer id;
+		String text;
+
+		public MyEntity() {
+		}
+
+		public MyEntity(Integer id, String text) {
+			this.id = id;
+			this.text = text;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public void setId(Integer id) {
+			this.id = id;
+		}
+
+		public String getText() {
+			return text;
+		}
+
+		public void setText(String text) {
+			this.text = text;
+		}
+	}
+
+}