itholic commented on a change in pull request #35656:
URL: https://github.com/apache/spark/pull/35656#discussion_r817170583
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
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@@ -373,7 +373,8 @@ abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
namedGroupingExpressions, aggregateExpressions,
rewrittenResultExpressions, child) =>
if (aggregateExpressions.exists(PythonUDF.isGroupedAggPandasUDF)) {
- throw
QueryCompilationErrors.groupAggPandasUDFUnsupportedByStreamingAggError()
+ throw new AnalysisException(
+ "Streaming aggregation doesn't support group aggregate pandas UDF")
Review comment:
Because the existing `groupAggPandasUDFUnsupportedByStreamingAggError`
is not user-facing error, so I firstly remove it from `QueryCompilationErrors`
since I think maybe we don't want to reveal the non-user-facing error to the
error class.
And, also refer to
https://github.com/apache/spark/pull/35656/files#r814517495.
Btw, maybe do we also want to leave some comment to the code base?
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