src/WorkerF/DB/Drivers/PDODriver.php
protected function _storeBuildAttr()
    {
        // attribute need to store
        $store = [];
        // store attr
        foreach ($this->_buildAttrs as $buildAttr) {
            $store[$buildAttr] = $this->$buildAttr;
        }

        return $store;
    }
protected function _storeBuildAttr()
    {
        // attribute need to store
        $store = [];
        // store attr
        foreach ($this->_buildAttrs as $buildAttr) {
            $store[$buildAttr] = $this->$buildAttr;
        }

        return $store;
    }
store build attr to tmp

@return  array