@Override
    public void deleteAll() {
        entityManager.createNativeQuery("DELETE FROM " + OneTimeTokenAccount.TABLE_NAME_SCRATCH_CODES).executeUpdate();
        entityManager.createQuery("DELETE FROM " + ENTITY_NAME).executeUpdate();
    }
This is {@link JpaGoogleAuthenticatorTokenCredentialRepository} that stores gauth data into a RDBMS database.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-gauth-jpa/src/main/java/org/apereo/cas/gauth/credential/JpaGoogleAuthenticatorTokenCredentialRepository.java