Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/2542#discussion_r18673448
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
---
@@ -94,39 +94,51 @@ abstract class LogicalPlan extends
QueryPlan[LogicalPlan] with Logging {
input: Seq[Attribute],
resolver: Resolver): Option[NamedExpression] = {
- val parts = name.split("\\.")
+ val parts = name.split("\\.").toList
+ // Reference to hive SemanticAnalyzer
+ // we should filter some input Attribute if 'name' contains table
alias.
--- End diff --
It would be good to include an example of what you mean here. This code is
very complex.
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