<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>id (ActiveRecord::Base)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/active_record/base.rb, line 2447</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">id</span> <span class="ruby-identifier">attr_name</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">primary_key</span> <span class="ruby-identifier">column</span> = <span class="ruby-identifier">column_for_attribute</span>(<span class="ruby-identifier">attr_name</span>) <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">:define_read_method</span>, <span class="ruby-identifier">:id</span>, <span class="ruby-identifier">attr_name</span>, <span class="ruby-identifier">column</span>) <span class="ruby-comment cmt"># now that the method exists, call it</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span> <span class="ruby-identifier">attr_name</span>.<span class="ruby-identifier">to_sym</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>