fixes #316

app/models/post.rb

@@ -46,7 +46,8 @@ class Post < ActiveRecord::Base
   scope :tag_match, lambda {|query| PostQueryBuilder.new(query).build}
   scope :positive, where("score > 1")
   scope :negative, where("score < -1")
-  search_methods :tag_match
+  scope :updater_name_matches, lambda {|name| where("updater_id = (select _.id from users _ where lower(_.name) = ?)", name.downcase)}
+  search_methods :tag_match, :updater_name_matches
   scope :after_id, Proc.new {|num|
     if num.present?
       where("id > ?", num.to_i).reorder("id asc")

app/views/post_versions/search.html.erb

@@ -4,7 +4,7 @@
     
     <div id="search">
       <%= simple_form_for(@search) do |f| %>
-        <%= f.input :updater_name_eq, :label => "User", :required => false %>
+        <%= f.input :updater_name_matches, :label => "User", :required => false %>
         <%= f.input :post_id_eq, :label => "Post", :required => false %>
         <%= f.button :submit, :value => "Search" %>
       <% end %>