Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14132#discussion_r70888508
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1774,6 +1775,34 @@ class Analyzer(
}
/**
+ * Substitute Hints.
+ */
+ object SubstituteHint extends Rule[LogicalPlan] {
+ def apply(plan: LogicalPlan): LogicalPlan = plan transform {
--- End diff --
Oh, @hvanhovell .
Your question is not only about `alias` and `nesting`, but also about `LEFT
ANTI JOIN`, right?
I tried `explain ~~`, and found it fails on Hive.
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