我有这句话:
$lastOperationUser = DB::select("SELECT last_operation FROM policies
INNER JOIN(users)
ON (policies.user_id=users.id)
group by (user_id);");
如果我在我的 phpmyadmin 中执行工作正常但在 laravel 中抛出此错误:
SQLSTATE[42000]: Syntax error or access violation: 1055 'test.policies.last_operation' isn't in GROUP BY (SQL: SELECT last_operation FROM policies INNER JOIN(users) ON (policies.user_id=users.id) group by (user_id);)
我的模型是:
USERS POLICIES
id id
name last_operation
user_id
一对多关系
请问有什么帮助吗?