Alexey Palazhchenko

It looks like we could use [`ON CONFLICT`](https://www.postgresql.org/docs/current/sql-insert.html#SQL-ON-CONFLICT) `INSERT` clause to ignore some errors like duplicate IDs, but that would not work for some other errors (but what are they?)

https://github.com/FerretDB/FerretDB/blob/main/internal/handlers/pg/msg_count.go is probably the most similar

Infinity is always signed in IEEE 754: * x > -Infinity ∀𝑥∈R * x < +Infinity ∀𝑥∈R But the current issue description is not ready yet; it is just an...

`$inc` is done, 3 more operators to go

IIUC, we still need to the same for `$unset`

I think it is better to have configs only in the root and not copy them. But it should be possible to skip some linters for some directories. In particular,...

We added Taskfile into integration module: https://github.com/FerretDB/FerretDB/blob/main/integration/Taskfile.yml We use it like that: https://github.com/FerretDB/FerretDB/blob/22b846790363be8c43a985dfeecc4811ba3701b5/Taskfile.yml#L232-L235 That's a workaround for `./...` not working across modules

@fenogentov I added a test case at #976. Want to work on that one?

It is more complicated than it looks and requires changes in our validation code

There are references to this issue in code