MaxGekk commented on a change in pull request #28328:
URL: https://github.com/apache/spark/pull/28328#discussion_r414813908
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
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@@ -519,7 +519,9 @@ case class InSet(child: Expression, hset: Set[Any]) extends
UnaryExpression with
override def sql: String = {
val valueSQL = child.sql
- val listSQL = hset.toSeq.map(Literal(_).sql).mkString(", ")
Review comment:
> If you don't mind, please file a separate JIRA issue with a separate
test case. We need to merge this seperately.
So far, I have not found how to trigger the issue in the `sql` method
without this fix. I will think of that and try tomorrow but if you have some
ideas you are welcome.
What I have already tried is to build a dataset with IsIn, optimizer
converts it to InSet but I wasn't able to call `sql()` on the replaced
expression.
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