title: PostgreSQLAdapter escape result of executing sql
body: <p>ActiveRecord::ConnectionAdapters::PostgreSQLAdapter will do escape result of executing sql? I see what this will escape double quotes in returned result, but i not sure what adapter do this by default.</p>
  
  <p>Example:</p>
  
  <pre><code>ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.execute("SELECT * FROM table_name")
  </code></pre>