如何在Zend Framework中使用子查询执行查询 [英] How execute query with subqueries in zend framework
本文介绍了如何在Zend Framework中使用子查询执行查询的处理方法,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小编来一起学习吧!
问题描述
我需要用Zend_Db_Select编写此sql,但是我不知道如何编写子查询.我将不胜感激任何帮助.谢谢.
Hi I need write this sql with Zend_Db_Select, but I dont know how I can write subqueries. I would appreciate any help. Thanks.
SELECT * FROM advert WHERE categoryId
IN (
SELECT id
FROM `tree`
WHERE `lft` BETWEEN
(SELECT lft FROM tree WHERE id = '2') AND
(SELECT rgt FROM tree WHERE id = '2'))
推荐答案
// create the main query
$select = new Zend_Db_Select();
//create the subquery
$subSelect = new Zend_Db_Select();
// using the subquery in main query
$select->where('table.field IN(?)', $subSelect->assemble());
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