Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14264#discussion_r71467294
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
---
@@ -201,6 +201,8 @@ abstract class LogicalPlan extends
QueryPlan[LogicalPlan] with Logging {
attribute: Attribute): Option[(Attribute, List[String])] = {
if (!attribute.isGenerated && resolver(attribute.name,
nameParts.head)) {
Option((attribute.withName(nameParts.head), nameParts.tail.toList))
+ } else if (!attribute.isGenerated && resolver(attribute.name,
nameParts.mkString("."))) {
+ Option((attribute.withName(nameParts.mkString(".")), Nil))
--- End diff --
Hi, I'm just curious. Is it okay for other Spark module?
> Different from resolveAsTableColumn, this assumes `name` does NOT start
with a qualifier.
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