From 43f0ed485575644813324551018c988350d343f1 Mon Sep 17 00:00:00 2001
From: Cedomir Igaly <cedomir.igaly@e-dama.net>
Date: Wed, 26 Apr 2023 12:24:16 +0200
Subject: [PATCH] HHH-16498 - Test case showing the problem

---
 ...MySqlExistingEnumColumnValidationTest.java | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 hibernate-core/src/test/java/org/hibernate/orm/test/schemavalidation/MySqlExistingEnumColumnValidationTest.java

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/schemavalidation/MySqlExistingEnumColumnValidationTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/schemavalidation/MySqlExistingEnumColumnValidationTest.java
new file mode 100644
index 0000000000..85c90ed504
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/schemavalidation/MySqlExistingEnumColumnValidationTest.java
@@ -0,0 +1,105 @@
+package org.hibernate.orm.test.schemavalidation;
+
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistry;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.dialect.MySQLDialect;
+import org.hibernate.tool.hbm2ddl.SchemaValidator;
+
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.RequiresDialect;
+import org.hibernate.testing.transaction.TransactionUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+import static jakarta.persistence.GenerationType.IDENTITY;
+
+@JiraKey("HHH-16498")
+@RequiresDialect(MySQLDialect.class)
+public class MySqlExistingEnumColumnValidationTest extends BaseCoreFunctionalTestCase {
+
+	private StandardServiceRegistry ssr;
+
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { EntityE.class };
+	}
+
+	@Before
+	public void setUp() {
+		TransactionUtil.doInHibernate( this::sessionFactory, session -> {
+			session.createNativeQuery( "DROP TABLE IF EXISTS en CASCADE" ).executeUpdate();
+			session.createNativeQuery(
+							"CREATE TABLE en (id INTEGER NOT NULL AUTO_INCREMENT, sign_position enum ('AFTER_NO_SPACE','AFTER_WITH_SPACE','BEFORE_NO_SPACE','BEFORE_WITH_SPACE'), PRIMARY KEY (id))" )
+					.executeUpdate();
+		} );
+	}
+
+	@After
+	public void tearDown() {
+		TransactionUtil.doInHibernate( this::sessionFactory, session -> {
+			session.createNativeQuery( "DROP TABLE en CASCADE" ).executeUpdate();
+		} );
+	}
+
+	@Test
+	public void testSynonymUsingGroupedSchemaValidator() {
+		ssr = new StandardServiceRegistryBuilder()
+				.applySetting( AvailableSettings.HBM2DDL_AUTO, "validate" )
+				.build();
+		try {
+			final MetadataSources metadataSources = new MetadataSources( ssr );
+			metadataSources.addAnnotatedClass( EntityE.class );
+
+			new SchemaValidator().validate( metadataSources.buildMetadata() );
+		}
+		finally {
+			StandardServiceRegistryBuilder.destroy( ssr );
+		}
+	}
+
+
+	@Entity(name = "en")
+	@Table(name = "en")
+	public static class EntityE {
+		@Id
+		@GeneratedValue(strategy = IDENTITY)
+		@Column(name = "id", nullable = false, updatable = false)
+		private Integer id;
+
+		@Enumerated(EnumType.STRING)
+		@Column(name = "sign_position")
+		private SignPosition signPosition;
+
+		public Integer getId() {
+			return id;
+		}
+
+		public void setId(Integer id) {
+			this.id = id;
+		}
+
+		public SignPosition getSignPosition() {
+			return signPosition;
+		}
+
+		public void setSignPosition(SignPosition signPosition) {
+			this.signPosition = signPosition;
+		}
+	}
+
+	public static enum SignPosition {
+		AFTER_NO_SPACE, AFTER_WITH_SPACE, BEFORE_NO_SPACE, BEFORE_WITH_SPACE
+	}
+}