Show variables next to query

app/controllers/blazer/queries_controller.rb

@@ -146,6 +146,7 @@ module Blazer
     def extract_vars(statement)
       statement.scan(/\{.*?\}/).map { |v| v[1...-1] }.uniq
     end
+    helper_method :extract_vars
 
     def process_vars(statement)
       @bind_vars = extract_vars(statement)

app/views/blazer/queries/index.html.erb

@@ -20,6 +20,7 @@
         <tr>
           <td class="query">
             <%= link_to query.name, query %>
+            <span style="color: #ccc;"><%= extract_vars(query.statement).join(", ") %></span>
             <% if query.created_at > 2.days.ago %>
               <small style="font-weight: bold; color: #5cb85c;">NEW</small>
             <% end %>