Determine keys used in NSPredicate
Determine keys used in NSPredicate
- Subject: Determine keys used in NSPredicate
- From: Trygve Inda <email@hidden>
- Date: Sat, 19 Oct 2013 21:44:00 -0700
- Thread-topic: Determine keys used in NSPredicate
I have an array of objects. These objects may have some dynamic properties
handled with valueForUndefinedKey.
If I create a predicate along the lines of:
myObject.proertyA = something AND
myObject.proertyB = somethingElse AND
myObject.dynamicPropertyA = someOtherThing
How can I look at myPredicate and determine that it uses dynamicPropertyA?
Is it enough and safe to use [myPredicate predicateFormat] and then search
the resulting string for dynamicPropertyA?
The reason is that my dynamic properties can be removed and I would need to
go and find all the NSPredicates that are using a property that is about to
go away.
Thanks,
Trygve
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