Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18086#discussion_r118832568
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/hints.scala
---
@@ -25,7 +25,7 @@ import org.apache.spark.sql.internal.SQLConf
* should be removed This node will be eliminated post analysis.
* A pair of (name, parameters).
*/
-case class UnresolvedHint(name: String, parameters: Seq[String], child:
LogicalPlan)
+case class UnresolvedHint(name: String, parameters: Seq[Any], child:
LogicalPlan)
--- End diff --
To support multiple parameters in `hint`, does it make sense to do it like
`df.hint("hint", "1, 2, c")`? We can use our Parser to parse this parameter
string.
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