sunchao commented on a change in pull request #32082:
URL: https://github.com/apache/spark/pull/32082#discussion_r618112069
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -1963,6 +1966,14 @@ class Analyzer(override val catalogManager:
CatalogManager)
override def apply(plan: LogicalPlan): LogicalPlan = {
val externalFunctionNameSet = new mutable.HashSet[FunctionIdentifier]()
plan.resolveExpressions {
+ case f @ UnresolvedFunction(NonSessionCatalogAndIdentifier(catalog,
name), _, _, _, _) =>
Review comment:
You mean in `CheckAnalysis`? to my understanding that is done at the end
after we've run all the rules, while doing it here allows us to do some sanity
checks and detect analysis errors earlier.
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