两个对象之间的子查询

Question

我有两个不同的模型部门和员工

@interface Department : RLMObject

@property NSString *name;
@property (nonatomic, strong) RLMArray<Employee> *employee; 

@end


@interface Employee : RLMObject

@property NSString *department;
@property NSString *email;
@property NSString *firstname;
@property NSString *lastname;
@property NSString *fullname;
@property NSString *imgUrl;
@property NSString *imgWall;
@property NSString *nickname;

@end

我想搜索哪个部门的员工的名字和姓氏中包含“a”。请帮忙。谢谢。

Answer 1

你想做的如下：

RLMResults *r = [Department objectsWhere:
                 @"SUBQUERY(employee, $e, $e.firstname CONTAINS 'a' AND $e.lastname CONTAINS 'a').@count > 0"];