function externalauth_update_8102 in External Authentication 2.0.x

Same name and namespace in other branches

1. 8 externalauth.install \externalauth_update_8102()

Make index on authname+provider unique.

File

./externalauth.install, line 87

Install, update and uninstall functions for the externalauth module.

Code

function externalauth_update_8102() {

  /** @var \Drupal\Core\Database\Schema $schema */
  $schema = \Drupal::service('database')
    ->schema();

  // This 'add' can potentially fail, if duplicate authnames are registered
  // already. This is why we do it before the 'remove'. If this happens, the
  // website maintainer is required to fix the table contents themselves.
  $schema
    ->addUniqueKey('authmap', 'authname_provider', [
    'authname',
    'provider',
  ]);
  $schema
    ->dropIndex('authmap', 'auth_provider');
}