Add SAP HANA to common JPA database platforms

Issue: SPR-16460

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/AbstractJpaVendorAdapter.java

@@ -48,7 +48,7 @@ public abstract class AbstractJpaVendorAdapter implements JpaVendorAdapter {
 
 	/**
 	 * Specify the target database to operate on, as a value of the {@code Database} enum:
-	 * DB2, DERBY, H2, HSQL, INFORMIX, MYSQL, ORACLE, POSTGRESQL, SQL_SERVER, SYBASE
+	 * DB2, DERBY, H2, HANA, HSQL, INFORMIX, MYSQL, ORACLE, POSTGRESQL, SQL_SERVER, SYBASE
 	 * <p><b>NOTE:</b> This setting will override your JPA provider's default algorithm.
 	 * Custom vendor properties may still fine-tune the database dialect. However,
 	 * there may nevertheless be conflicts: For example, specify either this setting

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/Database.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,8 +39,12 @@ public enum Database {
 
 	DERBY,
 
+	/** @since 2.5.5 */
 	H2,
 
+	/** @since 5.1 */
+	HANA,
+
 	HSQL,
 
 	INFORMIX,

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/EclipseLinkJpaVendorAdapter.java

@@ -97,9 +97,10 @@ public class EclipseLinkJpaVendorAdapter extends AbstractJpaVendorAdapter {
 		switch (database) {
 			case DB2: return TargetDatabase.DB2;
 			case DERBY: return TargetDatabase.Derby;
+			case HANA: return TargetDatabase.HANA;
 			case HSQL: return TargetDatabase.HSQL;
 			case INFORMIX: return TargetDatabase.Informix;
-			case MYSQL: return TargetDatabase.MySQL4;
+			case MYSQL: return TargetDatabase.MySQL;
 			case ORACLE: return TargetDatabase.Oracle;
 			case POSTGRESQL: return TargetDatabase.PostgreSQL;
 			case SQL_SERVER: return TargetDatabase.SQLServer;

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/HibernateJpaVendorAdapter.java

@@ -28,6 +28,7 @@ import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.dialect.DB2Dialect;
 import org.hibernate.dialect.DerbyTenSevenDialect;
 import org.hibernate.dialect.H2Dialect;
+import org.hibernate.dialect.HANAColumnStoreDialect;
 import org.hibernate.dialect.HSQLDialect;
 import org.hibernate.dialect.InformixDialect;
 import org.hibernate.dialect.MySQL5Dialect;
@@ -185,6 +186,7 @@ public class HibernateJpaVendorAdapter extends AbstractJpaVendorAdapter {
 			case DB2: return DB2Dialect.class;
 			case DERBY: return DerbyTenSevenDialect.class;
 			case H2: return H2Dialect.class;
+			case HANA: return HANAColumnStoreDialect.class;
 			case HSQL: return HSQLDialect.class;
 			case INFORMIX: return InformixDialect.class;
 			case MYSQL: return MySQL5Dialect.class;