CODEWITHSUNDEEP
objective-cios7nsarraynsdictionarynspredicate
SriKanth
SriKanth

Reputation: 459

NSPredicate on array of dictionaries iOS

How to filter an array of dictionaries with NSPredicate based on key of a dictionary inside another dictionary(which is inside an array), here is my response.

[
     {
         "_id" =     {
               "$id" = 53e28497e37c70d83021c830;
         };
         access = public;
     },
     {
         "_id" =     {
               "$id" = 53e28497e37c70d83021c839;
         };
         access = public;
      }
]

Now I need to filter this array based on the key $id. I tried different predicate formats to filter this array but no luck.How can I get dictionary object which matches $id.

Upvotes: 1

Views: 901

Answers (2)

Balu
Balu

Reputation: 8460

try like this,

NSArray *filtered = [array filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"self.id.%K == '1'",@"$id"]];

Upvotes: 1

Valentin Shamardin
Valentin Shamardin

Reputation: 3658

NSString* filter = @"53e28497e37c70d83021c839";    
NSArray* res = [originArray filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"%K LIKE[c] %@", @"_id.$id", filter]];

Upvotes: 0

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