Github user icexelloss commented on a diff in the pull request:
https://github.com/apache/spark/pull/21650#discussion_r205242020
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/python/ExtractPythonUDFs.scala
---
@@ -94,36 +95,94 @@ object ExtractPythonUDFFromAggregate extends
Rule[LogicalPlan] {
*/
object ExtractPythonUDFs extends Rule[SparkPlan] with PredicateHelper {
- private def hasPythonUDF(e: Expression): Boolean = {
+ private case class LazyEvalType(var evalType: Int = -1) {
--- End diff --
Yeah the idea of the LazyEvalType is a container object that can be set
once. Maybe the name LazyEvalType is confusing. I don't think CurrentEvalType
is accurate either because the original idea is that we don't change the value
once it's set. Maybe call it `EvalTypeHolder` and add docs to explain?
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