com.jporm.sql.dialect.DBFeatures Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright 2015 Francesco Cina'
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.jporm.sql.dialect;

import java.sql.Statement;

public interface DBFeatures {

    /**
     * Return true if the DB has autogenerated key features.
     * 
     * @return
     */
    boolean isAutogeneratedKeySupport();

    /**
     * Whether the DB correctly returns the number of updated rows in a
     * batchUpdate operation. Databases like Oracle, for example, instead of
     * returning the number of updated rows, return the code "-2" indicating
     * that the operation was executed successfully; in such a case, there is no
     * way of knowing the number of updated rows and this method returns false.
     * 
     * @return
     */
    boolean isReturnCountsOnBatchUpdate();

    /**
     * Return true if the DB has sequence support and the method
     * getGeneratedKeys of the {@link Statement} correctly return the sequence
     * value generated using a sequence in an insert query.
     * 
     * @return
     */
    boolean isSequenceSupport();

}