<?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>active? (ActiveRecord::ConnectionAdapters::MysqlAdapter)</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/connection_adapters/mysql_adapter.rb, line 273</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">active?</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:stat</span>) <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">stat</span> <span class="ruby-keyword kw">else</span> <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">query</span> <span class="ruby-value str">'select 1'</span> <span class="ruby-keyword kw">end</span> <span class="ruby-comment cmt"># mysql-ruby doesn't raise an exception when stat fails.</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:errno</span>) <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">errno</span>.<span class="ruby-identifier">zero?</span> <span class="ruby-keyword kw">else</span> <span class="ruby-keyword kw">true</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Mysql</span><span class="ruby-operator">::</span><span class="ruby-constant">Error</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>