viirya commented on pull request #28328:
URL: https://github.com/apache/spark/pull/28328#issuecomment-620101304
> A `In` with many values is slow to analyze, as the type coercion rules or
`In.resolved` are very slow.
That's a pain point. But when we merge `In` and `InSet`, we can hav
viirya commented on pull request #28328:
URL: https://github.com/apache/spark/pull/28328#issuecomment-619793314
> Actually this PR shows we still need `InSet`, to make the analyzer fast...
What that means? We optimize `In` with `InSet` in optimizer, right?
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