MySQL不考虑ORDERBY子句对结果进行随机排序
我们正在使用以下SQL语句:MySQL不考虑ORDERBY子句对结果进行随机排序,mysql,sql,Mysql,Sql,我们正在使用以下SQL语句: SELECT billing_invoice.id as 'billing_invoice.id' from billing_invoice inner join client_billing_invoice on client_billing_invoice.client_id = '1337' where billing_invoice.company_id = '7c701774-5046-4b9a-9a82-b0e9cac59794' or clien
SELECT billing_invoice.id as 'billing_invoice.id'
from billing_invoice
inner join client_billing_invoice on client_billing_invoice.client_id = '1337'
where billing_invoice.company_id = '7c701774-5046-4b9a-9a82-b0e9cac59794' or client_billing_invoice.client_id = '1337'
group by billing_invoice.id
order by billing_invoice.timestamp_created DESC limit 0,5
然而,尽管有顺序和GROUPBY子句,它还是对结果进行随机排序。这里有我遗漏的东西吗?这个逻辑:
select billing_invoice.id
from . . .
group by billing_invoice.id
order by billing_invoice.timestamp_created desc
应该返回一个错误。为什么?聚合后执行按<代码>下单,并且在按<代码>分组后没有创建时间戳
此代码应生成语法错误。在较新版本的MySQL中(使用默认设置)也会出现这种情况
您需要一个聚合函数:
order by max(billing_invoice.timestamp_created) desc