function DatabaseStorage::schemaDefinition

Defines the schema for the configuration table.

@internal

File

core/lib/Drupal/Core/Config/DatabaseStorage.php, line 198

Class

DatabaseStorage

Defines the Database storage.

Namespace

Code

protected static function schemaDefinition() {
  $schema = [
    'description' => 'The base table for configuration data.',
    'fields' => [
      'collection' => [
        'description' => 'Primary Key: Config object collection.',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
      'name' => [
        'description' => 'Primary Key: Config object name.',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
      'data' => [
        'description' => 'A serialized configuration object data.',
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big',
      ],
    ],
    'primary key' => [
      'collection',
      'name',
    ],
  ];
  return $schema;
}