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Sublinks Aims to Be a Drop-In Replacement for Lemmy (wedistribute.org)
submitted 10 months ago by deadsuperhero@lemmy.world to c/fediverse@lemmy.world
307 comments fedilink hide all child comments

Seems like an interesting effort. A developer is building an alternative Java-based backend to Lemmy's Rust-based one, with the goal of building in a handful of different features. The dev is looking at using this compatibility to migrate their instance over to the new platform, while allowing the community to use their apps of choice.

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[-] kameecoding@lemmy.world 1 points 10 months ago

But like, what kind of error are you gonna handle that's coming from the DB, if it's something like a connection error because the DB is down, then you are shit out of luck you can't handle that anyway, and you probably shouldn't, not from the layer you are calling your DB from, that's a higher level logic, so bubbling Errors there make sense.

and if it's an "error" like findById doesn't always return something, that's what the Optional pattern is for.

what you have described to me seems like a worse version of the checked/unchecked exception system.

[-] mea_rah@lemmy.world 1 points 10 months ago

But like, what kind of error are you gonna handle that's coming from the DB, if it's something like a connection error because the DB is down

I could return 500 (getting Error) instead of 404 (getting None) or 200 (getting Some(results)) from my web app.

Or DB just timed out. The code that did the query is very likely the only code that can reasonably decide to retry for example.

this post was submitted on 23 Jan 2024
358 points (96.6% liked)

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