function system_update_10100

Remove the year 2038 date limitation.

File

core/modules/system/system.install, line 1737

Code

function system_update_10100(&$sandbox = NULL) {
  $connection = \Drupal::database();
  $schema = $connection->schema();
  // Update sessions table.
  if ($schema->tableExists('sessions') && $connection->databaseType() != 'sqlite') {
    $new = [
      'description' => 'The Unix timestamp when this session last requested a page. Old records are purged by PHP automatically.',
      'type' => 'int',
      'not null' => TRUE,
      'default' => 0,
      'size' => 'big',
    ];
    $schema->changeField('sessions', 'timestamp', 'timestamp', $new);
  }
  // Update batch table.
  if ($schema->tableExists('batch') && $connection->databaseType() != 'sqlite') {
    $new = [
      'description' => 'A Unix timestamp indicating when this batch was submitted for processing. Stale batches are purged at cron time.',
      'type' => 'int',
      'not null' => TRUE,
      'size' => 'big',
    ];
    $schema->changeField('batch', 'timestamp', 'timestamp', $new);
  }
  // Update flood table.
  if ($schema->tableExists('flood') && $connection->databaseType() != 'sqlite') {
    $new = [
      'timestamp' => [
        'description' => 'Timestamp of the event.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'big',
      ],
      'expiration' => [
        'description' => 'Expiration timestamp. Expired events are purged on cron run.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'big',
      ],
    ];
    foreach ($new as $column_name => $value) {
      $schema->changeField('flood', $column_name, $column_name, $value);
    }
  }
  // Update queue table.
  if ($schema->tableExists('queue') && $connection->databaseType() != 'sqlite') {
    $new = [
      'expire' => [
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Timestamp when the claim lease expires on the item.',
        'size' => 'big',
      ],
      'created' => [
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Timestamp when the item was created.',
        'size' => 'big',
      ],
    ];
    foreach ($new as $column_name => $value) {
      $schema->changeField('queue', $column_name, $column_name, $value);
    }
  }
  // Update cache tables.
  $cache_tables = $schema->findTables('cache_%');
  $cache_tables = array_filter($cache_tables, function ($cache_tables) {
    return str_starts_with($cache_tables, 'cache_');
  });
  if ($connection->databaseType() != 'sqlite') {
    foreach (array_keys($cache_tables) as $table) {
      // If the table has no expire column there is nothing to do. This can
      // happen if a site has tables starting with cache_ that are not cache
      // bins.
      if (!$schema->fieldExists($table, 'expire')) {
        continue;
      }
      // Truncate cache tables. They will be flushed anyway at the end of
      // database updates, but emptying the tables now will boost the schema
      // changes.
      $connection->truncate($table)
        ->execute();
      $new = [
        'description' => 'A Unix timestamp indicating when the cache entry should expire, or ' . Cache::PERMANENT . ' for never.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'big',
      ];
      $schema->changeField($table, 'expire', 'expire', $new);
    }
  }
}