On 2012 Mar 01, at 18:52, M. S. Hrishikesh wrote:
> NSString *key = @"tag";
> NSPredicate *pred = [NSPredicate predicateWithFormat:@"%K like
> %@",key,@"personality"];
Well, what you're doing looks OK to me, but I'm not sure because I don't often
use +predicateWithFormat:. Since you're apparently spending a lot of time on
this, see what happens if you use this method instead:
+[NSComparisonPredicate predicateWithLeftExpression:
rightExpression:
modifier:
type:
options:]
Yes it's more lines of code, but it might give you a different result and give
you a clue.
And, for me, it would be time well spent because I'm not enough of an artist to
use -predicateWithFormat: in a shipping product. There are just too many ways
to introduce bugs. Write yourself some wrappers around NSComparisonPredicate
methods for commonly-used predicate structures.
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