function system_update_1027

Remove the per-user cache column from the session table.

Related topics

File

core/modules/system/system.install, line 2568

Install, update and uninstall functions for the system module.

Code

function system_update_1027() {
  if (db_field_exists('sessions', 'cache')) {
    db_drop_field('sessions', 'cache');
  }

  $config = config('system.core');
  $config->clear('cache_lifetime');
  $config->save();
}