php - zend framework paginator(Zend_Paginator)结果太慢

我有一个运行速度太慢的查询。该页面需要几分钟的时间来加载。
我正在对超过100,000条记录的表进行表联接。在我的查询中，是获取所有记录还是仅获取我需要的页面数量？我需要在查询中设置限制吗？如果我这样做，那会不会给分页者错误的记录计数？

$paymentsTable = new Donations_Model_Payments();
$select = $paymentsTable->select(Zend_Db_Table::SELECT_WITH_FROM_PART);
$select->setIntegrityCheck(false)
    ->from(array('p' => 'tbl_payments'), array('clientid', 'contactid', 'amount'))
    ->where('p.clientid = ?', $_SESSION['clientinfo']['id'])
    ->where('p.dt_added BETWEEN  \''.$this->datesArr['dateStartUnix'].'\' AND \''.$this->datesArr['dateEndUnix'].'\'')
        ->join(array('c' => 'contacts'), 'c.id = p.contactid', array('fname', 'mname', 'lname'))
        ->group('p.id')
        ->order($sortby.' '.$dir)
        ;
        $payments=$paymentsTable->fetchAll($select);

// paginator
$paginator = Zend_Paginator::factory($payments);
$paginator->setCurrentPageNumber($this->_getParam('page'), 1);
$paginator->setItemCountPerPage('100'); // items pre page
$this->view->paginator = $paginator;

$payments=$payments->toArray();
$this->view->payments=$payments;

最佳答案

请参阅下面的修订代码。您需要通过正确的适配器将$select传递给Zend_Paginator。否则，您将看不到性能优势。

$paymentsTable = new Donations_Model_Payments();
$select = $paymentsTable->select(Zend_Db_Table::SELECT_WITH_FROM_PART);
$select->setIntegrityCheck(false)
    ->joinLeft('contacts', 'tbl_payments.contactid = contacts.id')
    ->where('tbl_payments.clientid = 39')
    ->where(new Zend_Db_Expr('tbl_payments.dt_added BETWEEN "1262500129" AND "1265579129"'))
    ->group('tbl_payments.id')
    ->order('tbl_payments.dt_added DESC');

// paginator
$paginator = new Zend_Paginator(new Zend_Paginator_Adapter_DbTableSelect($select));
$paginator->setCurrentPageNumber($this->_getParam('page', 1));
$paginator->setItemCountPerPage('100'); // items pre page
$this->view->paginator = $paginator;

请参阅上面的修订代码！