sunchao commented on a change in pull request #35657:
URL: https://github.com/apache/spark/pull/35657#discussion_r840817063
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/BatchScanExec.scala
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@@ -68,16 +70,36 @@ case class BatchScanExec(
val newPartitions = scan.toBatch.planInputPartitions()
originalPartitioning match {
- case p: DataSourcePartitioning if p.numPartitions !=
newPartitions.size =>
- throw new SparkException(
- "Data source must have preserved the original partitioning during
runtime filtering; " +
- s"reported num partitions: ${p.numPartitions}, " +
- s"num partitions after runtime filtering: ${newPartitions.size}")
+ case p: KeyGroupedPartitioning =>
+ if (newPartitions.exists(!_.isInstanceOf[HasPartitionKey])) {
+ throw new SparkException("Data source must have preserved the
original partitioning " +
+ "during runtime filtering: not all partitions implement
HasPartitionKey after " +
+ "filtering")
+ }
+
+ val newRows = new InternalRowSet(p.expressions.map(_.dataType))
+ newRows ++=
newPartitions.map(_.asInstanceOf[HasPartitionKey].partitionKey())
+ val oldRows = p.partitionValuesOpt.get
+
+ if (oldRows.size != newRows.size) {
Review comment:
oh actually `oldRows` here is a `Seq` so we can't directly compare them.
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