function system_update_8007 in Drupal 8

Set langcode fields to be ASCII-only.

File

core/modules/system/system.install, line 1930

Install, update and uninstall functions for the system module.

Code

function system_update_8007() {
  $database = \Drupal::database();
  $database_schema = $database
    ->schema();
  $entity_types = \Drupal::entityTypeManager()
    ->getDefinitions();
  $schema = \Drupal::keyValue('entity.storage_schema.sql')
    ->getAll();
  $schema_copy = $schema;
  foreach ($schema as $item_name => $item) {
    list($entity_type_id, , ) = explode('.', $item_name);
    if (!isset($entity_types[$entity_type_id])) {
      continue;
    }
    foreach ($item as $table_name => $table_schema) {
      foreach ($table_schema as $schema_key => $schema_data) {
        if ($schema_key == 'fields') {
          foreach ($schema_data as $field_name => $field_data) {
            foreach ($field_data as $field_data_property => $field_data_value) {

              // Langcode fields have the property 'is_ascii' set, instead
              // they should have set the type to 'varchar_ascii'.
              if ($field_data_property == 'is_ascii') {
                unset($schema_copy[$item_name][$table_name]['fields'][$field_name]['is_ascii']);
                $schema_copy[$item_name][$table_name]['fields'][$field_name]['type'] = 'varchar_ascii';
                if ($database
                  ->driver() == 'mysql') {
                  $database_schema
                    ->changeField($table_name, $field_name, $field_name, $schema_copy[$item_name][$table_name]['fields'][$field_name]);
                }
              }
            }
          }
        }
      }
    }
  }
  \Drupal::keyValue('entity.storage_schema.sql')
    ->setMultiple($schema_copy);
  $definitions = \Drupal::keyValue('entity.definitions.installed')
    ->getAll();
  $definitions_copy = $definitions;
  foreach ($definitions as $item_name => $item_value) {
    $suffix = '.field_storage_definitions';
    if (substr($item_name, -strlen($suffix)) == $suffix) {
      foreach ($item_value as $field_name => $field_definition) {
        $reflection = new \ReflectionObject($field_definition);
        $schema_property = $reflection
          ->getProperty('schema');
        $schema_property
          ->setAccessible(TRUE);
        $schema = $schema_property
          ->getValue($field_definition);
        if (isset($schema['columns']['value']['is_ascii'])) {
          $schema['columns']['value']['type'] = 'varchar_ascii';
          unset($schema['columns']['value']['is_ascii']);
        }
        $schema_property
          ->setValue($field_definition, $schema);
        $schema_property
          ->setAccessible(FALSE);
        $definitions_copy[$item_name][$field_name] = $field_definition;
      }
    }
  }
  \Drupal::keyValue('entity.definitions.installed')
    ->setMultiple($definitions_copy);
}