Удаление заявки OTRS 5 прямым запросом

Ищем в таблице article

SELECT * FROM otrs.article;

Нужный нам тикет

SELECT * FROM otrs.ticket;

Удаляем из article — указываем ID строки с нужным тикетом, их может быть несколько.

-- Удаляем article
START TRANSACTION;
-- Provide the values of the primary key of the row to delete.
SET @id_to_delete = ID;
DELETE FROM article_attachment
 USING article_attachment, article
 WHERE `article`.`id` = `article_attachment`.`article_id`
 AND article.id = @id_to_delete;
DELETE FROM article_flag
 USING article_flag, article
 WHERE `article`.`id` = `article_flag`.`article_id`
 AND article.id = @id_to_delete;
DELETE FROM article_plain
 USING article_plain, article
 WHERE `article`.`id` = `article_plain`.`article_id`
 AND article.id = @id_to_delete;
DELETE FROM ticket_history
 USING ticket_history, article
 WHERE `article`.`id` = `ticket_history`.`article_id`
 AND article.id = @id_to_delete;
DELETE FROM time_accounting
 USING time_accounting, article
 WHERE `article`.`id` = `time_accounting`.`article_id`
 AND article.id = @id_to_delete;
DELETE FROM article
 USING article
 WHERE article.id = @id_to_delete;
COMMIT;

После этого удаляем сам тикет, по его ID

-- Удаляем ticket
START TRANSACTION;
-- Provide the values of the primary key of the row to delete.
SET @id_to_delete = ID;

DELETE FROM ticket_flag
 USING ticket_flag, ticket
 WHERE `ticket`.`id` = `ticket_flag`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM ticket_history
 USING ticket_history, ticket
 WHERE `ticket`.`id` = `ticket_history`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM ticket_index
 USING ticket_index, ticket
 WHERE `ticket`.`id` = `ticket_index`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM ticket_lock_index
 USING ticket_lock_index, ticket
 WHERE `ticket`.`id` = `ticket_lock_index`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM ticket_watcher
 USING ticket_watcher, ticket
 WHERE `ticket`.`id` = `ticket_watcher`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM time_accounting
 USING time_accounting, ticket
 WHERE `ticket`.`id` = `time_accounting`.`ticket_id`
 AND ticket.id = @id_to_delete;
DELETE FROM ticket
 USING ticket
 WHERE ticket.id = @id_to_delete;
COMMIT;