1 files changed, 63 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb
new file mode 100644
index 0000000000..c2d3eeb8ce
--- /dev/null
+++ b/activerecord/lib/active_record/null_relation.rb
@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+
+module ActiveRecord
+  # = Active Record Null Relation
+  class NullRelation < Relation
+    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