How to stop if encountered visited links?

[mosynaq]

Hi!
Is it possible to set deltafetch stop scrapy crawling when encountering a visited link?
I really need this!

I was asking myself the same question,
I think you can do it simply by passing the meta parameter deltafetch_key to your spider, and defining the url as your key.
https://blog.scrapinghub.com/2016/07/20/scrapy-tips-from-the-pros-july-2016