ios - 或查询包含

Question

我有一个包含起始列和终止列的连接表。两列都指向用户对象。当执行此 OR 查询时，它会抛出错误:'OR queries do not support sub-queries with includes'

有什么办法解决这个问题吗？谢谢!

//设置查询以获取当前用户与另一个用户成为 friend 的所有关系。

PFQuery *userIsFriendSender = [PFQuery queryWithClassName:@"UserRelationships"];
[userIsFriendSender whereKey:@"from" equalTo:[PFUser currentUser]];
[userIsFriendSender whereKey:@"active" equalTo:@YES];

[userIsFriendSender includeKey:@"to"];

// set up query to get all relationships where a use friended the current user
PFQuery *userIsFriendReceiver = [PFQuery queryWithClassName:@"UserRelationships"];
[userIsFriendReceiver whereKey:@"to" equalTo:[PFUser currentUser]];
[userIsFriendReceiver whereKey:@"active" equalTo:@YES];

[userIsFriendReceiver includeKey:@"from"];

PFQuery *query = [PFQuery orQueryWithSubqueries:@[userIsFriendSender, userIsFriendReceiver]];

Answer 1

尝试将 includeKey: 子句移动到联合查询中。

PFQuery *query = [PFQuery orQueryWithSubqueries:@[userIsFriendSender, userIsFriendReceiver]];
[query includeKey:@"from"];
[query includeKey:@"to"];