任何人可以帮助我得到的结果形式多个SQL请求:绑定多个查询到一个结果
SELECT *
(COUNT(*) AS Records FROM wp_posts WHERE post_type='news' AND post_status='publish') as News,
(COUNT(*) AS Records FROM wp_posts WHERE post_type='promotion' AND post_status='publish') as Promos,
(COUNT(*) AS Records FROM wp_posts WHERE post_type='contact' AND post_status='publish') as Contacts
FROM wp_posts
我只是想通过发送一个SQL请求,找出定制我的WP MySQL的多少职位。
这个人是一个好方法! +1 –
也许计数(CASE WHEN post_type ='news'THEN 1 END)稍快些? – jarlh
@jarlh好吧,我不喜欢隐式的NULL,我会说这是味道的问题 – lad2025