1 files changed, 54 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb
index 60c37ac2b7..4c1c91e3df 100644
--- a/activerecord/lib/active_record/null_relation.rb
+++ b/activerecord/lib/active_record/null_relation.rb
@@ -1,10 +1,61 @@
 # -*- coding: utf-8 -*-
 
 module ActiveRecord
-  # = Active Record Null Relation
-  class NullRelation < Relation
+  module NullRelation # :nodoc:
     def exec_queries
       @records = []
     end
+
+    def pluck(_column_name)
+      []
+    end
+
+    def delete_all(_conditions = nil)
+      0
+    end
+
+    def update_all(_updates, _conditions = nil, _options = {})
+      0
+    end
+
+    def delete(_id_or_array)
+      0
+    end
+
+    def size
+      0
+    end
+
+    def empty?
+      true
+    end
+
+    def any?
+      false
+    end
+
+    def many?
+      false
+    end
+
+    def to_sql
+      @to_sql ||= ""
+    end
+
+    def where_values_hash
+      {}
+    end
+
+    def count
+      0
+    end
+
+    def calculate(_operation, _column_name, _options = {})
+      nil
+    end
+
+    def exists?(_id = false)
+      false
+    end
   end
-end
\ No newline at end of file
+end