iframe-proxy | Sunbelt Computer Software

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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_read_stale_data]
use Google\Cloud\Spanner\Duration;
use Google\Cloud\Spanner\SpannerClient;
 * Reads sample data from the database.  The data is exactly 15 seconds stale.
 * Guarantees that all writes committed more than 15 seconds ago are visible.
 * Example:
 * read_stale_data
 *($instanceId, $databaseId);
 * @param string $instanceId The Spanner instance ID.
 * @param string $databaseId The Spanner database ID.
function read_stale_data($instanceId, $databaseId)
    $spanner = new SpannerClient();
    $instance = $spanner->instance($instanceId);
    $database = $instance->database($databaseId);
    $keySet = $spanner->keySet(['all' => true]);
    $results = $database->read(
        'Albums',
        $keySet,
        ['SingerId', 'AlbumId', 'AlbumTitle'],
        ['exactStaleness' => new Duration(15)]
    foreach ($results->rows() as $row) {
        printf('SingerId: %s, AlbumId: %s, AlbumTitle: %s' . PHP_EOL,
            $row['SingerId'], $row['AlbumId'], $row['AlbumTitle']);
// [END spanner_read_stale_data]

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