Lemmy Server's (lemmy_server) Rust code, Diesel ORM - how can I have conditional logic if it was an SQL UPDATE instead of a SQL INSERT
Lemmy Server's (lemmy_server) Rust code, Diesel ORM - how can I have conditional logic if it was an SQL UPDATE instead of a SQL INSERT
In lemmy_server, at this code point: https://github.com/LemmyNet/lemmy/blob/91c024fd987b61ac8892b9e7d1896ee4574751da/crates/db_schema/src/impls/comment.rs#L62
How would I determine if it was an SQL UPDATE or INSERT and skip the remaining blocks of code that do work that does not need to be repeated when a comment edit (UPDATE) is being performed.
Thank you.
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Before the upsert, do a select where the result is optional. Then if_some() it was an update, if_none() it was an insert.
Looks like the on_conflict is on the ap_url, so I would use that as the key you're trying to pull in the select.