/
ITBatchDmlTest.java
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/
ITBatchDmlTest.java
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/*
* Copyright 2019 Google LLC
*
* 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.google.cloud.spanner.it;
import static com.google.common.truth.Truth.assertThat;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.spanner.Database;
import com.google.cloud.spanner.DatabaseClient;
import com.google.cloud.spanner.ErrorCode;
import com.google.cloud.spanner.IntegrationTestEnv;
import com.google.cloud.spanner.ParallelIntegrationTest;
import com.google.cloud.spanner.SpannerBatchUpdateException;
import com.google.cloud.spanner.SpannerException;
import com.google.cloud.spanner.Statement;
import com.google.cloud.spanner.TransactionRunner;
import com.google.cloud.spanner.TransactionRunner.TransactionCallable;
import com.google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Integration tests for DML. */
@Category(ParallelIntegrationTest.class)
@RunWith(JUnit4.class)
public final class ITBatchDmlTest {
private static Database db;
@ClassRule public static IntegrationTestEnv env = new IntegrationTestEnv();
private static final String INSERT_DML =
"INSERT INTO T (k, v) VALUES ('boo1', 1), ('boo2', 2), ('boo3', 3), ('boo4', 4);";
private static final String UPDATE_DML = "UPDATE T SET T.V = 100 WHERE T.K LIKE 'boo%';";
private static final String DELETE_DML = "DELETE FROM T WHERE T.K like 'boo%';";
private static DatabaseClient client;
@BeforeClass
public static void createDatabase() {
db = env.getTestHelper().createTestDatabase();
client = env.getTestHelper().getDatabaseClient(db);
}
@Before
public void createTable() throws Exception {
String ddl =
"CREATE TABLE T (" + " K STRING(MAX) NOT NULL," + " V INT64," + ") PRIMARY KEY (K)";
OperationFuture<Void, UpdateDatabaseDdlMetadata> op =
db.updateDdl(Collections.singletonList(ddl), null);
op.get();
}
@After
public void dropTable() throws Exception {
String ddl = "DROP TABLE T";
OperationFuture<Void, UpdateDatabaseDdlMetadata> op =
db.updateDdl(Collections.singletonList(ddl), null);
op.get();
}
@Test
public void noStatementsInRequest() {
final TransactionCallable<long[]> callable =
transaction -> {
List<Statement> stmts = new ArrayList<>();
long[] rowCounts;
try {
rowCounts = transaction.batchUpdate(stmts);
Assert.fail("Expecting an exception.");
} catch (SpannerException e) {
assertThat(e instanceof SpannerBatchUpdateException).isFalse();
assertThat(e.getErrorCode()).isEqualTo(ErrorCode.INVALID_ARGUMENT);
rowCounts = new long[0];
}
return rowCounts;
};
TransactionRunner runner = client.readWriteTransaction();
long[] rowCounts = runner.run(callable);
assertThat(rowCounts.length).isEqualTo(0);
}
@Test
public void batchDml() {
final TransactionCallable<long[]> callable =
transaction -> {
List<Statement> stmts = new ArrayList<>();
stmts.add(Statement.of(INSERT_DML));
stmts.add(Statement.of(UPDATE_DML));
stmts.add(Statement.of(DELETE_DML));
return transaction.batchUpdate(stmts);
};
TransactionRunner runner = client.readWriteTransaction();
long[] rowCounts = runner.run(callable);
assertThat(rowCounts.length).isEqualTo(3);
for (long rc : rowCounts) {
assertThat(rc).isEqualTo(4);
}
}
@Test
public void mixedBatchDmlAndDml() {
final TransactionCallable<long[]> callable =
transaction -> {
long rowCount = transaction.executeUpdate(Statement.of(INSERT_DML));
List<Statement> stmts = new ArrayList<>();
stmts.add(Statement.of(UPDATE_DML));
stmts.add(Statement.of(DELETE_DML));
long[] batchRowCounts = transaction.batchUpdate(stmts);
long[] rowCounts = new long[batchRowCounts.length + 1];
System.arraycopy(batchRowCounts, 0, rowCounts, 0, batchRowCounts.length);
rowCounts[batchRowCounts.length] = rowCount;
return rowCounts;
};
TransactionRunner runner = client.readWriteTransaction();
long[] rowCounts = runner.run(callable);
assertThat(rowCounts.length).isEqualTo(3);
for (long rc : rowCounts) {
assertThat(rc).isEqualTo(4);
}
}
@Test
public void errorBatchDmlIllegalStatement() {
final TransactionCallable<long[]> callable =
transaction -> {
List<Statement> stmts = new ArrayList<>();
stmts.add(Statement.of(INSERT_DML));
stmts.add(Statement.of("some illegal statement"));
stmts.add(Statement.of(UPDATE_DML));
return transaction.batchUpdate(stmts);
};
TransactionRunner runner = client.readWriteTransaction();
try {
runner.run(callable);
Assert.fail("Expecting an exception.");
} catch (SpannerBatchUpdateException e) {
assertThat(e.getErrorCode()).isEqualTo(ErrorCode.INVALID_ARGUMENT);
assertThat(e.getMessage()).contains("is not valid DML.");
long[] rowCounts = e.getUpdateCounts();
assertThat(rowCounts.length).isEqualTo(1);
for (long rc : rowCounts) {
assertThat(rc).isEqualTo(4);
}
}
}
@Test
public void errorBatchDmlAlreadyExist() {
final TransactionCallable<long[]> callable =
transaction -> {
List<Statement> stmts = new ArrayList<>();
stmts.add(Statement.of(INSERT_DML));
stmts.add(Statement.of(INSERT_DML)); // should fail
stmts.add(Statement.of(UPDATE_DML));
return transaction.batchUpdate(stmts);
};
TransactionRunner runner = client.readWriteTransaction();
try {
runner.run(callable);
Assert.fail("Expecting an exception.");
} catch (SpannerBatchUpdateException e) {
assertThat(e.getErrorCode()).isEqualTo(ErrorCode.ALREADY_EXISTS);
long[] rowCounts = e.getUpdateCounts();
assertThat(rowCounts.length).isEqualTo(1);
for (long rc : rowCounts) {
assertThat(rc).isEqualTo(4);
}
}
}
}