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Yuming Wang commented on SPARK-39915: ------------------------------------- The reason is that it will return empty local relation since SPARK-35455: https://github.com/apache/spark/blob/a077701d4cc36a9a6ce898ddd3b4e5fd506f6162/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/PropagateEmptyRelation.scala#L129-L130 cc [~ulysses] > Dataset.repartition(N) may not create N partitions > -------------------------------------------------- > > Key: SPARK-39915 > URL: https://issues.apache.org/jira/browse/SPARK-39915 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.3.0 > Reporter: Shixiong Zhu > Priority: Major > > Looks like there is a behavior change in Dataset.repartition in 3.3.0. For > example, `spark.range(10, 0).repartition(5).rdd.getNumPartitions` returns 5 > in Spark 3.2.0, but 0 in Spark 3.3.0. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org