--- /dev/null
+<?php
+
+namespace Drupal\datetime\Plugin\views\sort;
+
+use Drupal\views\Plugin\views\sort\Date as NumericDate;
+
+/**
+ * Basic sort handler for datetime fields.
+ *
+ * This handler enables granularity, which is the ability to make dates
+ * equivalent based upon nearness.
+ *
+ * @ViewsSort("datetime")
+ */
+class Date extends NumericDate {
+
+ /**
+ * Override to account for dates stored as strings.
+ */
+ public function getDateField() {
+ // Return the real field, since it is already in string format.
+ return "$this->tableAlias.$this->realField";
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * Overridden in order to pass in the string date flag.
+ */
+ public function getDateFormat($format) {
+ return $this->query->getDateFormat($this->getDateField(), $format, TRUE);
+ }
+
+}