ulysses-you commented on PR #34785:
URL: https://github.com/apache/spark/pull/34785#issuecomment-1132397474
Looks correct to me. BTW, after Spark3.3 the RebalancePartitions supports
specify the initialNumPartition, so the demo code can be:
```scala
val optNumPartitions = if (numPartitions == 0) None else Some(numPartitions)
if (!write.distributionStrictlyRequired()) {
RebalancePartitions(distribution, query, optNumPartitions)
} else {
RepartitionByExpression(distribution, query, optNumPartitions)
}
```
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