if ($schema->hasTable('ticket_message_attachments') === false) {
$this->addSql('CREATE TABLE IF NOT EXISTS ticket_message_attachments (id INT AUTO_INCREMENT NOT NULL, ticket_id INT DEFAULT NULL, message_id INT DEFAULT NULL, path VARCHAR(255) NOT NULL, filename LONGTEXT NOT NULL, size INT NOT NULL, sys_insert_user_id INT NOT NULL, sys_insert_datetime DATETIME NOT NULL, sys_lastedit_user_id INT DEFAULT NULL, sys_lastedit_datetime DATETIME DEFAULT NULL, INDEX IDX_70BF9E26700047D2 (ticket_id), INDEX IDX_70BF9E26537A1329 (message_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB');
$this->addSql('ALTER TABLE ticket_message_attachments DROP message_attch_id, CHANGE id id INT AUTO_INCREMENT NOT NULL, CHANGE message_id message_id INT DEFAULT NULL, CHANGE ticket_id ticket_id INT DEFAULT NULL, CHANGE filename filename LONGTEXT NOT NULL, CHANGE size size INT NOT NULL, CHANGE sys_insert_user_id sys_insert_user_id INT NOT NULL, CHANGE sys_insert_datetime sys_insert_datetime DATETIME NOT NULL, CHANGE sys_lastedit_user_id sys_lastedit_user_id INT DEFAULT NULL;');
$this->addSql('CREATE INDEX IDX_70BF9E26700047D2 ON ticket_message_attachments (ticket_id);');
} else {
$this->addSql('CREATE TABLE IF NOT EXISTS ticket_message_attachments (id INT AUTO_INCREMENT NOT NULL, ticket_id INT DEFAULT NULL, message_id INT DEFAULT NULL, path VARCHAR(255) NOT NULL, filename LONGTEXT NOT NULL, size INT NOT NULL, sys_insert_user_id INT NOT NULL, sys_insert_datetime DATETIME NOT NULL, sys_lastedit_user_id INT DEFAULT NULL, sys_lastedit_datetime DATETIME DEFAULT NULL, INDEX IDX_70BF9E26700047D2 (ticket_id), INDEX IDX_70BF9E26537A1329 (message_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB');