maryannxue commented on a change in pull request #24653: [SPARK-27783][SQL] Add
customizable hint error handler
URL: https://github.com/apache/spark/pull/24653#discussion_r287049920
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveHints.scala
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@@ -130,10 +130,7 @@ object ResolveHints {
relationNames.foreach(relationNameSet.add)
val applied = applyJoinStrategyHint(h.child, relationNameSet, h.name)
- relationNameSet.foreach { n =>
- logWarning(s"Count not find relation '$n' for join strategy hint "
+
- s"'${h.name}${relationNames.mkString("(", ", ", ")")}'.")
- }
+ hintErrorHandler.handleHintRelationsNotFound(h.name, h.parameters,
relationNameSet.toSet)
Review comment:
At this moment we don't have many other hints, but I'd not say it's join
specific. Like in other systems, there's index hint that can be and should be
bound to a relation.
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