问提供外部postgreSQL数据库的Drupal数据模块

EN

function mymodule_form_alter(&$form, $form_state) {
  if ($form['id'] == 'the-id-of-the-submitted-form')
    $form['#submit'][] = 'mymodule_myfunction';
}

function mymodule_myfunction($form){
  // Here you put your code
  // The form values should be in the array $form['values']
}