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function system_update_6054 in Drupal 6

Add semaphore table.

Related topics

Extra system updates for 6.x

File

modules/system/system.install, line 2695

Code

function system_update_6054() {
  $ret = array();

  // The table may have already been added by update_fix_d6_requirements(), so
  // check for its existence before creating.
  if (!db_table_exists('semaphore')) {
    $schema['semaphore'] = array(
      'fields' => array(
        'name' => array(
          'type' => 'varchar',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ),
        'value' => array(
          'type' => 'varchar',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ),
        'expire' => array(
          'type' => 'float',
          'size' => 'big',
          'not null' => TRUE,
        ),
      ),
      'indexes' => array(
        'expire' => array(
          'expire',
        ),
      ),
      'primary key' => array(
        'name',
      ),
    );
    db_create_table($ret, 'semaphore', $schema['semaphore']);
  }
  return $ret;
}