viirya commented on a change in pull request #31682:
URL: https://github.com/apache/spark/pull/31682#discussion_r586644055
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/python/BatchEvalPythonExec.scala
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@@ -46,7 +46,7 @@ case class BatchEvalPythonExec(udfs: Seq[PythonUDF],
resultAttrs: Seq[Attribute]
val needConversion =
dataTypes.exists(EvaluatePython.needConversionInPython)
// enable memo iff we serialize the row with schema (schema and class
should be memorized)
- val pickle = new Pickler(needConversion)
+ val pickle = new Pickler(needConversion, false)
Review comment:
> so we need to disable this feature explicitly (`valueCompare=false`).
I think it is not disabled, but just not compare with value when memorizing?
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