pan3793 commented on code in PR #6758:
URL: https://github.com/apache/kyuubi/pull/6758#discussion_r1806471769
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extensions/spark/kyuubi-spark-authz/src/main/scala/org/apache/kyuubi/plugin/spark/authz/ranger/RuleAuthorization.scala:
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@@ -34,23 +35,22 @@ case class RuleAuthorization(spark: SparkSession) extends
Authorization(spark) {
val auditHandler = new SparkRangerAuditHandler
val ugi = getAuthzUgi(spark.sparkContext)
val (inputs, outputs, opType) = PrivilegesBuilder.build(plan, spark)
- val requests = new ArrayBuffer[AccessRequest]()
+ var requests = new HashMap[(AccessResource, AccessType), AccessRequest]()
Review Comment:
Why `immutable.HashMap` instead of `mutable.HashMap` is used here?
BTW, Scala 2.13 changed the alias of `HashMap` from `mutable.HashMap` to
`immutable.HashMap`, to make the code clear, please write `new
immutable.HashMap` or `new mutable.HashMap` inline
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