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Yes, fixing the syntax is another problem. Great job here! I can finally enable Scala 3 checks in CI :)

Ah, wait. test:compile is still failing. Can you take a look?

I have looked a bit more into this. It seems that dotty is not able to handle the deeply nested typelevel structure built using the ++ operator (if I understand things correctly here):

• https://github.com/zio/zio-sql/blob/master/core/jvm/src/main/scala/zio/sql/table.scala#L16

I have basically circumvented that by explicitly calling everything using parenthesis, thus I guess that dotty is able to infer this correctly when helped out. Unfortunately, this breaks the nice dsl like syntax of the sql.

I suspect this being a limitation in the dotty compiler, so maybe file an issue for this in dotty? I think dotty should be able to handle this. Alternatively, we could try to exclude the test sources for dotty, but I am a bit short on sbt magic, and it is not a solution in the long run anyways.

The assumption done earlier on infix annotation is wrong I think, because symbolic operators are supposed to be handled exactly as in scala 2.

Is it possible it's dotty version we're using? We're stuck on 0.27.0-RC1 because of ZIO. Maybe on 3.0.0-M2 it'll get better. We could recheck with your PR zio/zio#4483

Thanks @jczuchnowski , compiling against scala 3.0.0-M2 and the branch (just published things locally) produces the same problems it seems. I'll make another go, and try to isolate the problems after release of new version of zio. I have made a PR with the changes that I think is compatible also with scala 2 here:

#343

Suggest closing this and see if we can find a better solution later :-)

@scalavision ok, let's do that. I'll do some experiments with 3.0.0-M2 too.