karenfeng commented on a change in pull request #31666:
URL: https://github.com/apache/spark/pull/31666#discussion_r605088737
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -1727,7 +1744,7 @@ class Analyzer(override val catalogManager:
CatalogManager)
case q: LogicalPlan =>
logTrace(s"Attempting to resolve
${q.simpleString(conf.maxToStringFields)}")
- q.mapExpressions(resolveExpressionByPlanChildren(_, q))
+ q.mapExpressions(resolveExpressionByPlanChildren(_, q, withMetadata =
true))
Review comment:
The output ordering inconsistency was due to the `Sort` rule in
`ResolveReferences` resolving with metadata columns (which doesn't fall back to
this case), when it should have waited for the `Sort` rule in
`ResolveMissingReferences`. We still need to be able to resolve metadata
columns somewhere.
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