lib/plucky/query.rb in plucky-0.3.7 vs lib/plucky/query.rb in plucky-0.3.8

@@ -4,12 +4,13 @@
   class Query
     include Enumerable
     extend  Forwardable
 
     OptionKeys = [
-      :select, :offset, :order,                                              # MM
-      :fields, :skip, :limit, :sort, :hint, :snapshot, :batch_size, :timeout # Ruby Driver
+      :select, :offset, :order,                         # MM
+      :fields, :skip, :limit, :sort, :hint, :snapshot,  # Ruby Driver
+      :batch_size, :timeout, :transformer               # Ruby Driver
     ]
 
     attr_reader    :criteria, :options, :collection
     def_delegator  :criteria, :simple?
     def_delegator  :options,  :fields?
@@ -94,34 +95,39 @@
 
     def size
       count
     end
 
+    def distinct(key, opts = {})
+      query = clone.update(opts)
+      query.collection.distinct(key, query.criteria.to_hash)
+    end
+
     def update(opts={})
       opts.each { |key, value| self[key] = value }
       self
     end
 
     def fields(*args)
       clone.tap { |query| query.options[:fields] = *args }
     end
-    
+
     def ignore(*args)
-      set_fields(args,0)
+      set_fields(args, 0)
     end
-    
+
     def only(*args)
-      set_fields(args,1)
-    end    
+      set_fields(args, 1)
+    end
 
     def limit(count=nil)
       clone.tap { |query| query.options[:limit] = count }
     end
 
     def reverse
       clone.tap do |query|
-        query[:sort].map! do |s|
+        query[:sort] = query[:sort].map do |s|
           [s[0], -s[1]]
         end unless query.options[:sort].nil?
       end
     end
 
@@ -190,16 +196,14 @@
       as_nice_string = to_hash.collect do |key, value|
         " #{key}: #{value.inspect}"
       end.sort.join(",")
       "#<#{self.class}#{as_nice_string}>"
     end
-    
-    private
-    
+
+  private
     def set_fields(field_list, value)
       the_fields = {}
       field_list.each {|field| the_fields[field.to_sym] = value}
       clone.tap { |query| query.options[:fields] =  the_fields}
     end
-    
   end
 end
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