// convert field length for utf8mb4
// http://stackoverflow.com/a/31474509/569101
- $this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE confirmation_token confirmation_token VARCHAR(180) NOT NULL;');
+ $this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE confirmation_token confirmation_token VARCHAR(180) DEFAULT NULL;');
$this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE salt salt VARCHAR(180) NOT NULL;');
$this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE password password VARCHAR(180) NOT NULL;');