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[SPARK-52484][SQL] Skip child.supportsColumnar assertion from driver side in ColumnarToRowExec #51183

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[SPARK-52484][SQL] Skip child.supportsColumnar assertion from driver side in ColumnarToRowExec #51183

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[SPARK-52484] Remove child.supportsColumnar assertion in ColumnarToRo…
zhztheplayer Jun 16, 2025
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zhztheplayer Jun 16, 2025
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4 changes: 0 additions & 4 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/Columnar.scala
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Expand Up @@ -32,7 +32,6 @@ import org.apache.spark.sql.execution.metric.{SQLMetric, SQLMetrics}
import org.apache.spark.sql.execution.vectorized.WritableColumnVector
import org.apache.spark.sql.types._
import org.apache.spark.sql.vectorized.{ColumnarBatch, ColumnVector}
import org.apache.spark.util.Utils

/**
* Holds a user defined rule that can be used to inject columnar implementations of various
Expand Down Expand Up @@ -66,9 +65,6 @@ trait ColumnarToRowTransition extends UnaryExecNode
* [[MapPartitionsInRWithArrowExec]]. Eventually this should replace those implementations.
*/
case class ColumnarToRowExec(child: SparkPlan) extends ColumnarToRowTransition with CodegenSupport {
// supportsColumnar requires to be only called on driver side, see also SPARK-37779.
assert(Utils.isInRunningSparkTask || child.supportsColumnar)

override def output: Seq[Attribute] = child.output

override def outputPartitioning: Partitioning = child.outputPartitioning
Expand Down