doki23 commented on code in PR #45181:
URL: https://github.com/apache/spark/pull/45181#discussion_r1496852441
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sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala:
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@@ -3878,7 +3878,7 @@ class Dataset[T] private[sql](
*/
def persist(newLevel: StorageLevel): this.type = {
sparkSession.sharedState.cacheManager.cacheQuery(this, None, newLevel)
- this
+ Dataset(sparkSession, this.queryExecution.logical).asInstanceOf[this.type]
Review Comment:
Hmm...Sorry I do not understand your concerns. It does not change the
immutability of cached data.
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