title: getting `local': argument out of range (ArgumentError) while working with mysql2 gem
body: <p>I am trying to get 'Auto_increment' using mysql2 adapter with ruby 192. my code is </p>
  
  <pre><code>require 'mysql2' 
  require 'active_record'
  
  ActiveRecord::Base.establish_connection( :adapter =&gt; 'mysql2', :database =&gt; 'my_db', :username =&gt; 'root', :password =&gt; '' )
  result = ActiveRecord::Base.connection.execute "SHOW TABLE STATUS LIKE 'users'"
  </code></pre>
  
  <p>whenever I am trying to print the fields and data using a loop, it gives me this error - </p>
  
  <p><em><strong>`local': argument out of range (ArgumentError)</em></strong></p>
  
  <p>But if I change my query to </p>
  
  <pre><code>result = ActiveRecord::Base.connection.execute "select * from users"
  </code></pre>
  
  <p>it works perfectly,
  any Idea ?</p>