在 zend 框架 2.2 中用括号查询答案

【问题标题】：query with parentheses in zend framework 2.2在 zend 框架 2.2 中用括号查询
【发布时间】：2014-02-07 10:48:04
【问题描述】：

我想要这样的查询：

SELECT tbl_bids. * , tbl_department.vDeptName, tbl_user.vFirst
FROM tbl_bids
LEFT JOIN tbl_bids_department ON tbl_bids_department.iBidID = tbl_bids.iBidID
LEFT JOIN tbl_department ON tbl_department.iDepartmentID = tbl_bids_department.iDepartmentID
LEFT JOIN tbl_user ON tbl_user.iUserID = tbl_bids.iUserID
WHERE tbl_user.iUserID = '1' // with parantheses in where clause
AND (
tbl_department.vDeptName = 'PHP'
OR tbl_department.vDeptName = 'android'
)
GROUP BY tbl_bids.iBidID
ORDER BY iBidID DESC
LIMIT 0 , 30

但是我找不到在我的查询中获取括号的方法，有多个条件和循环将在那里制作 where 子句.. 这是我的代码

    $select = $this->tableGateway->getSql()->select();
    $select->columns(array('*'))
            ->join('tbl_bids_department', 'tbl_bids_department.iBidID = tbl_bids.iBidID', array(),"LEFT")
            ->join('tbl_department', 'tbl_department.iDepartmentID = tbl_bids_department.iDepartmentID',array(tbl_department.vDeptName),"LEFT")
            ->join('tbl_user', 'tbl_user.iUserID  = tbl_bids.iUserID',array(tbl_user),"LEFT")
            ->group('tbl_bids.iBidID');

    $where = new \Zend\Db\Sql\Where();
    $where->equalTo( 'tbl_bids.eDeleted', '0' );

    $sWhere = new \Zend\Db\Sql\Where();
    for ( $i=0 ; $i<count($aColumns) ; $i++ )
    {
        if (isset($data['sSearch_'.$i]) && $data['sSearch_'.$i] != "") 
        {
            if($aColumns[$i] == 'vDeptName'){
                $allDept = explode(',', $data['sSearch_'.$i]);
                foreach ($allDept as $key => $value) {
                    if($key == 0)
                        $sWhere->AND->equalTo("tbl_department.vDeptName", $value);
                    else
                        $sWhere->OR->equalTo("tbl_department.vDeptName", $value);
                }
            }elseif($aColumns[$i] == 'vFirst')
                $sWhere->AND->equalTo("tbl_user.iUserID",$data['sSearch_'.$i]);
            else
                $sWhere->AND->like("tbl_bids.".$aColumns[$i], "%" . $data['sSearch_'.$i] . "%");
            $select->where($sWhere); // here my where clause is create
        }
    }
    //var_dump($select->getSqlString());
    $resultSet = $this->tableGateway->selectWith($select); 
    return $resultSet;
}

我还有很多其他领域要通过，这些领域也有同样的问题如果没有任何条件，我可以使用 nest() 和 unnest() 谓词，但它会告诉我字符串不是嵌套错误，所以请帮助我找到解决方案。请附上解决方案的示例。

【问题讨论】：

ZF2 How to orWhere()的可能重复

标签： mysql zend-framework2 zend-db zend-db-select

【解决方案1】：

这是一个简短的例子

$where = new Sql\Where();
$where->equalTo('col',thirdVal')
    ->NEST //start braket
        ->equalTo('col','someVal')
        ->OR
        ->equalTo('col','secondVal')
    ->UNNEST //close bracet

希望这会有所帮助

【讨论】：