TestPreparedBatchGenerateKeys.java example

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/*
 * 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 org.jdbi.v3.core.statement;

import java.util.List;

import org.jdbi.v3.core.Handle;
import org.jdbi.v3.core.Jdbi;
import org.jdbi.v3.core.Something;
import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class TestPreparedBatchGenerateKeys {

    @Test
    public void testBatchInsertWithKeyGeneration() throws Exception {

        Jdbi db = Jdbi.create("jdbc:hsqldb:mem:jdbi-batch-keys-test", "sa", "");

        try (Handle h = db.open()) {
            h.execute("create table something (id integer not null generated by default as identity (start with 10000), name varchar(50) )");

            PreparedBatch batch = h.prepareBatch("insert into something (name) values (?)");
            batch.add("Brian");
            batch.add("Thom");
            List<Integer> ids = batch.executeAndReturnGeneratedKeys().mapTo(int.class).list();

            assertThat(ids).containsExactly(10000, 10001);

            List<Something> somethings = h.createQuery("select id, name from something")
                    .mapToBean(Something.class)
                    .list();

            assertThat(somethings).containsExactly(new Something(10000, "Brian"), new Something(10001, "Thom"));
        }
    }
}