DQL/SQL 按月分组()

Question

是否可以按月 GROUP BY 只有日期作为一列？这可以通过 PHP 循环来实现，但我更愿意使用 SQL。实时代码如下：

    $query = $this->em
            ->createQuery("SELECT Month(p.planDate), SUM(ROUND(p.ndata5/1000)) AS volume "
                    . "FROM NTPBundle:ParagonData p WHERE p.planDate >= :startDate AND p.ndata5<>0 GROUP BY Month(p.planDate) ORDER BY p.planDate")
            ->setParameter('startDate', $this->startDate->format('Y-m-d'));

Answer 1

正确排序，您必须命名 select 然后按此名称排序，例如：

 $query = $this->em
            ->createQuery("SELECT Month(p.planDate) as monthPlan, SUM(ROUND(p.ndata5/1000)) AS volume "
                    . "FROM NTPBundle:ParagonData p WHERE p.planDate >= :startDate AND p.ndata5<>0 "
                    . "GROUP BY monthPlan "
                    . "ORDER BY p.planDate")
            ->setParameter('startDate', $this->startDate->format('Y-m-d'));

感谢提供线索

DQL/SQL 按月分组()

DQL/SQL GROUP BY MONTH()

php

sql

dql

symfony