In postgres you could manually set the topic ID sequence to a high value, e.g. 20000, so that new topics start at that number:
SELECT setval('topics_id_seq', 20000, false);
You lost the server itself?
In postgres you could manually set the topic ID sequence to a high value, e.g. 20000, so that new topics start at that number:
SELECT setval('topics_id_seq', 20000, false);
You lost the server itself?