lib/rasti/db/collection.rb in rasti-db-0.2.4 vs lib/rasti/db/collection.rb in rasti-db-0.2.5

@@ -1,10 +1,10 @@
 module Rasti
   module DB
     class Collection
 
-      QUERY_METHODS = (Query::DATASET_CHAINED_METHODS + [:graph, :count, :all, :first]).freeze
+      QUERY_METHODS = (Query::DATASET_CHAINED_METHODS + [:graph, :count, :all, :first, :pluck, :primary_keys, :any?, :empty?, :raw]).freeze
 
       include Helpers::WithSchema
 
       class << self
 
@@ -175,10 +175,10 @@
           query.public_send method, *args, &block
         end
       end
 
       def exists?(filter=nil, &block)
-        build_query(filter, &block).count > 0
+        build_query(filter, &block).any?
       end
 
       def detect(filter=nil, &block)
         build_query(filter, &block).first
       end
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