ALTER TABLE `vn`.`chatConfig`
ADD COLUMN `host` VARCHAR(255) NOT NULL AFTER `id`,
CHANGE COLUMN `uri` `api` VARCHAR(255) CHARACTER SET 'utf8' COLLATE 'utf8_unicode_ci' NOT NULL ;

UPDATE `vn`.`chatConfig` SET `host` = 'https://chat.verdnatura.es' WHERE (`id` = '1');
