Issue #1791372 by yannickoo: Added 0 and 1 to views_handler_field_boolean().

lib/Drupal/views/Plugin/views/field/Boolean.php

@@ -46,6 +46,7 @@ public function init(&$view, &$options) {
       'true-false' => array(t('True'), t('False')),
       'on-off' => array(t('On'), t('Off')),
       'enabled-disabled' => array(t('Enabled'), t('Disabled')),
+      'boolean' => array(1, 0),
       'unicode-yes-no' => array('✔', '✖'),
     );
     $output_formats = isset($this->definition['output formats']) ? $this->definition['output formats'] : array();