Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/12720#discussion_r61653296
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/subquery.scala
---
@@ -41,10 +41,7 @@ abstract class SubqueryExpression extends LeafExpression
{
/** Updates the query with new logical plan. */
def withNewPlan(plan: LogicalPlan): SubqueryExpression
- /** The correlated conditions that connects the sub-query to its parent
query. */
- def conditions: Seq[Expression]
-
- protected def conditionString: String = conditions.mkString("[", " && ",
"]")
+ protected def conditionString: String = children.mkString("[", " && ",
"]")
--- End diff --
move this into PredicateSubquery ?
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