version.diff

diff --git a/app/models/version.rb b/app/models/version.rb
index e8eed16..a3a4ba1 100644
--- a/app/models/version.rb
+++ b/app/models/version.rb
@@ -36,10 +36,10 @@ class Version < ActiveRecord::Base
     GemDownload.create!(count: 0, rubygem_id: rubygem_id, version_id: id)
   end
 
-  def self.reverse_dependencies(name)
+  def self.reverse_dependencies_by(**kwargs)
     joins(dependencies: :rubygem)
       .indexed
-      .where(rubygems: { name: name })
+      .where(rubygems: kwargs)
   end
 
   def self.reverse_runtime_dependencies(name)

version_reverse_dependencies_bench.rb

require 'benchmark/ips'

rails = Rubygem.find_by(name: 'rails')

Benchmark.ips do |x|
  x.report("reverse_dependencies_name") do
    Version.reverse_dependencies_by(name: rails.name)
  end

  x.report("reverse_dependencies_id") do
    Version.reverse_dependencies_by(id: rails.id)
  end

  x.compare!
end