maryannxue commented on a change in pull request #23036: [SPARK-26065][SQL]
Change query hint from a `LogicalPlan` to a field
URL: https://github.com/apache/spark/pull/23036#discussion_r245519175
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/hints.scala
##########
@@ -59,3 +80,41 @@ case class HintInfo(broadcast: Boolean = false) {
if (hints.isEmpty) "none" else hints.mkString("(", ", ", ")")
}
}
+
+/**
+ * Replaces [[ResolvedHint]] operators from the plan. Move the [[HintInfo]] to
associated [[Join]]
+ * operators, otherwise remove it if no [[Join]] operator is matched.
+ */
+object EliminateResolvedHint extends Rule[LogicalPlan] {
Review comment:
Done.
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