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<?php
namespace Drupal\user;
use Drupal\Core\Entity\ContentEntityTypeInterface;
use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
/**
* Defines the user schema handler.
*/
class UserStorageSchema extends SqlContentEntityStorageSchema {
/**
* {@inheritdoc}
*/
protected function getEntitySchema(ContentEntityTypeInterface $entity_type, $reset = FALSE) {
$schema = parent::getEntitySchema($entity_type, $reset);
$schema['users_field_data']['unique keys'] += [
'user__name' => ['name', 'langcode'],
];
return $schema;
}
/**
* {@inheritdoc}
*/
protected function processIdentifierSchema(&$schema, $key) {
// The "users" table does not use serial identifiers.
if ($key != $this->entityType->getKey('id')) {
parent::processIdentifierSchema($schema, $key);
}
}
/**
* {@inheritdoc}
*/
protected function getSharedTableFieldSchema(FieldStorageDefinitionInterface $storage_definition, $table_name, array $column_mapping) {
$schema = parent::getSharedTableFieldSchema($storage_definition, $table_name, $column_mapping);
$field_name = $storage_definition->getName();
if ($table_name == 'users_field_data') {
switch ($field_name) {
case 'name':
// Improves the performance of the user__name index defined
// in getEntitySchema().
$schema['fields'][$field_name]['not null'] = TRUE;
// Make sure the field is no longer than 191 characters so we can
// add a unique constraint in MySQL.
$schema['fields'][$field_name]['length'] = USERNAME_MAX_LENGTH;
break;
case 'mail':
$this->addSharedTableFieldIndex($storage_definition, $schema);
break;
case 'access':
case 'created':
$this->addSharedTableFieldIndex($storage_definition, $schema, TRUE);
break;
}
}
return $schema;
}
}