我想使用CriteriaBuilder构建如下所示的having子句: sum(case when attr_meta = 'severity' then 1 elsesum(case when attr_meta = 'priority' then 1 else 0 end) as prioritygroup by objectidjava.lang.NullPointerException
the manual that corresponds to your MySQL server version for the right syntax to use near ')'if(someIds == null || someIds.size() == 0) {
return new List<SomeThing>();