cloud-fan commented on code in PR #52153:
URL: https://github.com/apache/spark/pull/52153#discussion_r2312789939
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala:
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@@ -1868,12 +1868,20 @@ trait HasPartitionExpressions extends SQLConfHelper {
def optAdvisoryPartitionSize: Option[Long]
+ def directPassthrough: Boolean = false
+
protected def partitioning: Partitioning = if (partitionExpressions.isEmpty)
{
RoundRobinPartitioning(numPartitions)
+ } else if (directPassthrough) {
+ // Direct passthrough mode - use partition ID expression directly
+ require(partitionExpressions.length == 1,
Review Comment:
let's create an error condition for it in `error-conditions.json`
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