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 * Copyright 2016 Google Inc.
 * 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.
 * For instructions on how to run the full sample:
 * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/spanner/README.md
namespace Google\Cloud\Samples\Spanner;
// [START spanner_update_data]
use Google\Cloud\Spanner\SpannerClient;
 * Updates sample data in the database.
 * This updates the `MarketingBudget` column which must be created before
 * running this sample. You can add the column by running the `add_column`
 * sample or by running this DDL statement against your database:
 *     ALTER TABLE Albums ADD COLUMN MarketingBudget INT64
 * Example:
 * update_data($instanceId, $databaseId);
 * @param string $instanceId The Spanner instance ID.
 * @param string $databaseId The Spanner database ID.
function update_data($instanceId, $databaseId)
    $spanner = new SpannerClient();
    $instance = $spanner->instance($instanceId);
    $database = $instance->database($databaseId);
    $operation = $database->transaction(['singleUse' => true])
        ->updateBatch('Albums', [
            ['SingerId' => 1, 'AlbumId' => 1, 'MarketingBudget' => 100000],
            ['SingerId' => 2, 'AlbumId' => 2, 'MarketingBudget' => 500000],
        ->commit();
    print('Updated data.' . PHP_EOL);
// [END spanner_update_data]
// The following 2 lines are only needed to run the samples
require_once __DIR__ . '/../../testing/sample_helpers.php';
\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

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