Option keys cannot have more than 2 levels?

[gerrymanoim]

It looks like while fixing mypy issues (#2823) there was an interface change to options: c2000c2#diff-0f9cc26677da8931e7536cb28b981ad29623420291ee197ad5f4d3eaa217793aR573 such that you cannot have more than two levels.

Is this limitation necessary? We currently use a nested structure to set backend specific options.

cc @jreback

[jreback]

yep this should be reversed

[cpcloud]

@gerrymanoim @jreback What's the plan here? How urgent is this?

[jreback]

we are internally updating to ibis 2.0; we were substantially delayed because we needed ibis-bigquery compatibility which is now resolved. It turns out a number of things broke / unintentiallly changed during a lot of the refactorings, this is one of them.

[cpcloud]

Cool. Glad to hear y'all are updating. Happy to squash whatever bugs arise.

[gerrymanoim]

@cpcloud - I'll grab this one, wanted to triage our internal stuff first and make all the open source changes at once.