|Aug 15, 2006, 10:44 AM||#1|
I have a to-many relationship from A to B and a to-many from B to A.
I use setvalue:forkey: to change the to-many AtoB, which works fine. Previously included links are removed, new links to A are added. However the links from A to B are not removed. So A still thinks it has a relationship with B, when it shouldn't. I thought the entire point of bidirectional relationships was to ensure data integrity, and to keep the relationships up to date. so that each side knows if it belongs to each other or not.
From the NSManagedobject class reference:
Given a collection object and a key that identifies a to-many relationship, relates the objects contained in the collection to the receiver, unrelating previously related objects if there were any.
How can I ensure that if a relationship in one direction is removed, the relationship in the other direction is also broken or removed?
|Thread Tools||Search this Thread|
|thread||Thread Starter||Forum||Replies||Last Post|
|What do you think about long-distance relationships?||sunnysweet||Community Discussion||71||Jan 10, 2014 08:10 AM|
|C and Objective-C relationships||nashyo||iPhone/iPad Programming||16||Jan 21, 2013 06:48 AM|
|How have your political views affected your relationships with others this year?||glocke12||Politics, Religion, Social Issues||144||Oct 17, 2012 07:55 PM|
|So how progressive are you? Relationships||niuniu||Politics, Religion, Social Issues||65||Aug 13, 2012 09:20 PM|
All times are GMT -5. The time now is 04:22 PM.