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<?php
/**
* Copyright 2018 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.
*/
/**
* 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_dml_partitioned_update]
use Google\Cloud\Spanner\SpannerClient;
/**
* Updates sample data in the database by partition with a DML statement.
*
* 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 $databaseId The Spanner database ID.
*/
function update_data_with_partitioned_dml($instanceId, $databaseId)
{
$spanner = new SpannerClient();
$instance = $spanner->instance($instanceId);
$database = $instance->database($databaseId);
$rowCount = $database->executePartitionedUpdate(
"UPDATE Albums SET MarketingBudget = 100000 WHERE SingerId > 1"
);
printf('Updated %d row(s).' . PHP_EOL, $rowCount);
}
// [END spanner_dml_partitioned_update]
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