Implements Drupal\locale\StringStorageInterface::countTranslations().
Overrides StringStorageInterface::countTranslations
public function countTranslations() {
return $this
->dbExecute("SELECT t.language, COUNT(*) AS translated FROM {locales_source} s INNER JOIN {locales_target} t ON s.lid = t.lid GROUP BY t.language")
->fetchAllKeyed();
}