如何在 zend db 上构建嵌套选择

how to build nested select on zend db(如何在 zend db 上构建嵌套选择)
本文介绍了如何在 zend db 上构建嵌套选择的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

问题描述

这个查询有问题

SELECT * FROM(
    SELECT `b`.*,`owner`.firstname,`owner`.lastname,`owner`.email,
    (
        SELECT COUNT(`ps`.profile_id)   FROM `profile` AS `ps`
        LEFT JOIN `xref_store_profile_brand` AS `xbp` ON `xbp`.profile_id = `ps`.profile_id
        WHERE `xbp`.brand_id = b.brand_id AND ps.role = 'salesrep' AND `xbp`.store_id IS NULL
    ) AS `salesrepTotal`,
    (
        SELECT GROUP_CONCAT(`ms`.firstname)   FROM `profile` AS `ps`
        LEFT JOIN `xref_store_profile_brand` AS `xbp` ON `xbp`.profile_id = `ps`.profile_id
        LEFT JOIN `member` AS `ms`ON `ms`.member_id = `ps`.member_id
        WHERE `xbp`.brand_id = `b`.brand_id AND ps.role = 'salesrep' AND `xbp`.store_id IS NULL
    ) AS `salesrep`,
    (
        SELECT COUNT(`s`.store_id) FROM `store` AS `s`
        LEFT JOIN `xref_store_profile_brand` AS `xbs` ON `xbs`.store_id = `s`.store_id
        WHERE `xbs`.brand_id = `b`.brand_id AND `xbs`.brand_id IS NOT NULL
    ) AS `storeTotal`,
    (
        SELECT GROUP_CONCAT(`s`.name) FROM `store` AS `s`
        LEFT JOIN `xref_store_profile_brand` AS `xbs` ON `xbs`.store_id = `s`.store_id
        WHERE `xbs`.brand_id = `b`.brand_id AND `xbs`.brand_id IS NOT NULL
    ) AS `store`

    FROM `brand` AS `b`
    LEFT JOIN
    (
        SELECT `m`.firstname,`m`.lastname,`m`.email,`xspb`.brand_id FROM `member` AS `m`
        LEFT JOIN `profile` as `p` ON `p`.member_id = `m`.member_id AND `p`.role = 'designer' AND `p`.isPrimary = 1
        LEFT JOIN `xref_store_profile_brand` AS `xspb` ON `xspb`.profile_id = `p`.profile_id AND `xspb`.store_id IS NULL
    ) AS `owner` ON `owner`.brand_id =`b`.brand_id

    GROUP BY `b`.brand_id
) AS `final`

如何将其转换为 Zend_Db_Select 对象?

how can i convert this in to Zend_Db_Select object?

主要问题是这部分

SELECT `b`.*,`owner`.firstname,`owner`.lastname,`owner`.email,
    (
        SELECT COUNT(`ps`.profile_id)   FROM `profile` AS `ps`
        LEFT JOIN `xref_store_profile_brand` AS `xbp` ON `xbp`.profile_id = `ps`.profile_id
        WHERE `xbp`.brand_id = b.brand_id AND ps.role = 'salesrep' AND `xbp`.store_id IS NULL
    ) AS `salesrepTotal`,

推荐答案

您需要使用 Zend_Db_Expr 对象在您的查询和 选择 AS 的数组结构.

You need to use Zend_Db_Expr objects in your query and array structures for select AS.

以下是您正在寻找的解决方案:

below is the solution you are looking for:

<?php

$db = Zend_Db_Table::getDefaultAdapter();

//  inner query
$sqlSalesRepTotal = $db->select()
        ->from(array('ps' => 'profile'))
        ->joinLeft(array('xbp' => 'xref_store_profile_brand'), 'xbp.profile_id = ps.profile_id')
        ->where('xbp.brand_id = b.brand_id')
        ->where('ps.role = ?', 'salesrep')
        ->where('xbp.store_id IS NULL');

//  main query
$sql = $db->select()
        ->from(array('b' => 'brand'), array(
            //  NOTE: have to add parentesis around the expression
            'salesrepTotal' => new Zend_Db_Expr("($sqlSalesRepTotal)")
        ))
        ->where('....')
        ->group('brand_id');


//  debug
var_dump($db->fetchAll($sql));

这篇关于如何在 zend db 上构建嵌套选择的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

本站部分内容来源互联网,如果有图片或者内容侵犯了您的权益,请联系我们,我们会在确认后第一时间进行删除!

相关文档推荐

ibtmp1是非压缩的innodb临时表的独立表空间,通过innodb_temp_data_file_path参数指定文件的路径,文件名和大小,默认配置为ibtmp1:12M:autoextend,也就是说在文件系统磁盘足够的情况下,这个文件大小是可以无限增长的。 为了避免ibtmp1文件无止境的暴涨导致
SQL query to group by day(按天分组的 SQL 查询)
What does SQL clause quot;GROUP BY 1quot; mean?(SQL 子句“GROUP BY 1是什么意思?意思是?)
MySQL groupwise MAX() returns unexpected results(MySQL groupwise MAX() 返回意外结果)
MySQL SELECT most frequent by group(MySQL SELECT 按组最频繁)
Include missing months in Group By query(在 Group By 查询中包含缺失的月份)