code: function(options) {
      this._super();
  
      this._adapter = adapter(options);
      this._query = EntryQuery.create(this._adapter);
      this._schema = this._query.schema();
      this._modelClasses = {};
    }
docs: Create a database.
  
  @public
  @constructor Database
  @param {Object} options The connection information.
  @param {String} options.adapter The adapter to use. Possible choices are:
  `pg`, `mysql`, or `sqlite3`.
  @param {Object} options.connection The connection information to pass to
  the adapter. This varies for each adapter. See each individual adapters
  for more information.