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https://issues.apache.org/jira/browse/SPARK-46289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruce Robbins updated SPARK-46289:
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Priority: Minor (was: Major)
> Exception when ordering by UDT in interpreted mode
> --------------------------------------------------
>
> Key: SPARK-46289
> URL: https://issues.apache.org/jira/browse/SPARK-46289
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.3.3, 3.4.2, 3.5.0
> Reporter: Bruce Robbins
> Priority: Minor
>
> In interpreted mode, ordering by a UDT will result in an exception. For
> example:
> {noformat}
> import org.apache.spark.ml.linalg.{DenseVector, Vector}
> val df = Seq.tabulate(30) { x =>
> (x, x + 1, x + 2, new DenseVector(Array((x/100.0).toDouble, ((x +
> 1)/100.0).toDouble, ((x + 3)/100.0).toDouble)))
> }.toDF("id", "c1", "c2", "c3")
> df.createOrReplaceTempView("df")
> // this works
> sql("select * from df order by c3").collect
> sql("set spark.sql.codegen.wholeStage=false")
> sql("set spark.sql.codegen.factoryMode=NO_CODEGEN")
> // this gets an error
> sql("select * from df order by c3").collect
> {noformat}
> The second {{collect}} action results in the following exception:
> {noformat}
> org.apache.spark.SparkIllegalArgumentException: Type
> UninitializedPhysicalType does not support ordered operations.
> at
> org.apache.spark.sql.errors.QueryExecutionErrors$.orderedOperationUnsupportedByDataTypeError(QueryExecutionErrors.scala:348)
> at
> org.apache.spark.sql.catalyst.types.UninitializedPhysicalType$.ordering(PhysicalDataType.scala:332)
> at
> org.apache.spark.sql.catalyst.types.UninitializedPhysicalType$.ordering(PhysicalDataType.scala:329)
> at
> org.apache.spark.sql.catalyst.expressions.InterpretedOrdering.compare(ordering.scala:60)
> at
> org.apache.spark.sql.catalyst.expressions.InterpretedOrdering.compare(ordering.scala:39)
> at
> org.apache.spark.sql.execution.UnsafeExternalRowSorter$RowComparator.compare(UnsafeExternalRowSorter.java:254)
> {noformat}
> Note: You don't get an error if you use {{show}} rather than {{collect}}.
> This is because {{show}} will implicitly add a {{limit}}, in which case the
> ordering is performed by {{TakeOrderedAndProject}} rather than
> {{UnsafeExternalRowSorter}}.
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