doki23 commented on PR #45181:
URL: https://github.com/apache/spark/pull/45181#issuecomment-1978809925
We can't cache the queryExecution in the Dataset itself because the
queryExecution may come from other Dataset instance.
See `isEmpty`:
```scala
def isEmpty: Boolean = withAction("isEmpty",
select().limit(1).queryExecution) { plan =>
plan.executeTake(1).isEmpty
}
```
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