code: function (rowMode, types) {
    this.command = null
    this.rowCount = null
    this.oid = null
    this.rows = []
    this.fields = []
    this._parsers = []
    this._types = types
    this.RowCtor = null
    this.rowAsArray = rowMode === 'array'
    if (this.rowAsArray) {
      this.parseRow = this._parseRowAsArray
    }
  }
docs: result object returned from query in the 'end' event and also passed as second argument to provided callback