/
CreateDatabaseWithVersionRetentionPeriodSample.java
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/
CreateDatabaseWithVersionRetentionPeriodSample.java
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/*
* Copyright 2021 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.example.spanner;
// [START spanner_create_database_with_version_retention_period]
import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.spanner.Database;
import com.google.cloud.spanner.DatabaseAdminClient;
import com.google.cloud.spanner.Spanner;
import com.google.cloud.spanner.SpannerException;
import com.google.cloud.spanner.SpannerExceptionFactory;
import com.google.cloud.spanner.SpannerOptions;
import com.google.spanner.admin.database.v1.CreateDatabaseMetadata;
import java.util.Arrays;
import java.util.concurrent.ExecutionException;
public class CreateDatabaseWithVersionRetentionPeriodSample {
static void createDatabaseWithVersionRetentionPeriod() {
// TODO(developer): Replace these variables before running the sample.
String projectId = "my-project";
String instanceId = "my-instance";
String databaseId = "my-database";
String versionRetentionPeriod = "7d";
try (Spanner spanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) {
DatabaseAdminClient adminClient = spanner.getDatabaseAdminClient();
createDatabaseWithVersionRetentionPeriod(adminClient, instanceId, databaseId,
versionRetentionPeriod);
}
}
static void createDatabaseWithVersionRetentionPeriod(DatabaseAdminClient adminClient,
String instanceId, String databaseId, String versionRetentionPeriod) {
OperationFuture<Database, CreateDatabaseMetadata> op =
adminClient.createDatabase(
instanceId,
databaseId,
Arrays.asList(
"CREATE TABLE Singers ("
+ " SingerId INT64 NOT NULL,"
+ " FirstName STRING(1024),"
+ " LastName STRING(1024),"
+ " SingerInfo BYTES(MAX)"
+ ") PRIMARY KEY (SingerId)",
"CREATE TABLE Albums ("
+ " SingerId INT64 NOT NULL,"
+ " AlbumId INT64 NOT NULL,"
+ " AlbumTitle STRING(MAX)"
+ ") PRIMARY KEY (SingerId, AlbumId),"
+ " INTERLEAVE IN PARENT Singers ON DELETE CASCADE",
"ALTER DATABASE " + "`" + databaseId + "`"
+ " SET OPTIONS ( version_retention_period = '" + versionRetentionPeriod + "' )"
));
try {
Database database = op.get();
System.out.println("Created database [" + database.getId() + "]");
System.out.println("\tVersion retention period: " + database.getVersionRetentionPeriod());
System.out.println("\tEarliest version time: " + database.getEarliestVersionTime());
} catch (ExecutionException e) {
// If the operation failed during execution, expose the cause.
throw (SpannerException) e.getCause();
} catch (InterruptedException e) {
// Throw when a thread is waiting, sleeping, or otherwise occupied,
// and the thread is interrupted, either before or during the activity.
throw SpannerExceptionFactory.propagateInterrupt(e);
}
}
}
// [END spanner_create_database_with_version_retention_period]