-- Deploy gaia:answer_2017_05_17_alter_question_answer_table_topic_id to mysql

BEGIN;

-- XXX Add DDLs here.
ALTER TABLE `api_answer` ADD COLUMN `topicreply_id` integer UNIQUE DEFAULT NULL;
ALTER TABLE `api_question` ADD COLUMN `problem_id` integer UNIQUE DEFAULT NULL;
ALTER TABLE `api_answer_reply` ADD COLUMN `topicreply_id` integer UNIQUE DEFAULT NULL;


COMMIT;
