package org.hibernate.dialect;

import org.hibernate.cfg.Environment;
import org.hibernate.dialect.pagination.LimitHandler;
import org.hibernate.dialect.pagination.SQL2008StandardLimitHandler;

/**
* An SQL dialect for Oracle 12c.
*
* @author zhouyanming (zhouyanming@gmail.com)
*/
public class Oracle12cDialect extends Oracle10gDialect {
   public Oracle12cDialect() {
      super();
      getDefaultProperties().setProperty( Environment.BATCH_VERSIONED_DATA, "true" );
   }

   @Override
   protected void registerDefaultProperties() {
      super.registerDefaultProperties();
      getDefaultProperties().setProperty( Environment.USE_GET_GENERATED_KEYS, "true" );
   }

   @Override
   public boolean supportsIdentityColumns() {
      return true;
   }

   @Override
   public boolean supportsInsertSelectIdentity() {
      return true;
   }

   @Override
   public String getIdentityColumnString() {
      return "generated as identity";
   }

   @Override
   public LimitHandler getLimitHandler() {
      return SQL2008StandardLimitHandler.INSTANCE;
   }

}