Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/17770#discussion_r117670112
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1066,7 +1071,8 @@ class Analyzer(
case ae: AnalysisException => s
}
- case f @ Filter(cond, child) if !f.resolved && child.resolved =>
+ case f @ Filter(cond, orgChild) if !f.resolved && orgChild.resolved
=>
+ val child = EliminateBarriers(orgChild)
--- End diff --
Yes, we do need it. The logical plan added with missing attributes is
needed to be traverse for some cases. At lease one test gets failed previously
for that. So we can't keep the barrier at original position.
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