Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/6405#discussion_r31389366
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
---
@@ -610,17 +599,13 @@ trait HiveTypeCoercion {
*/
object Division extends Rule[LogicalPlan] {
def apply(plan: LogicalPlan): LogicalPlan = plan
transformAllExpressions {
- // Skip nodes who's children have not been resolved yet.
- case e if !e.childrenResolved => e
+ // Skip Divisions who has not been resolved yet,
--- End diff --
Not only `Division`s, all types of expressions that are not resolved are
caught here.
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