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## What changes were proposed in this pull request? `HintInfo.isBroadcastable` is actually not an accurate name, it's used to force the planner to broadcast a plan no matter what the data size is, via the hint mechanism. I think `forceBroadcast` is a better name. And `isBroadcastable` only have 2 possible values: `Some(true)` and `None`, so we can just use boolean type for it. ## How was this patch tested? existing tests. Author: Wenchen Fan <wenchen@databricks.com> Closes #18189 from cloud-fan/stats. |
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