如何在doctrine2中将以下SQL查询编写为DQL.
SELECT COUNT(id) FROM stats WHERE YEAR(record_date) = 2009 GROUP BY YEAR(record_date), MONTH(record_date)
即我希望group by结果基于存储在MySQL表中的月份,日期时间字段的年份.
group by
doctrine dql
doctrine ×1
dql ×1