[GitHub] [spark] maryannxue commented on a change in pull request #27509: [SPARK-30764][SQL] Improve the readability of EXPLAIN FORMATTED style

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maryannxue commented on a change in pull request #27509: [SPARK-30764][SQL] Improve the readability of EXPLAIN FORMATTED style
URL: https://github.com/apache/spark/pull/27509#discussion_r378409214
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
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 @@ -189,8 +189,11 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]] extends TreeNode[PlanT
     val codegenIdStr =
       getTagValue(QueryPlan.CODEGEN_ID_TAG).map(id => s"[codegen id : $id]").getOrElse("")
     val operatorId = getTagValue(QueryPlan.OP_ID_TAG).map(id => s"$id").getOrElse("unknown")
+    val argStr = argString(SQLConf.get.maxToStringFields)
+
     s"""
        |($operatorId) $nodeName $codegenIdStr
+       |Arguments: ${if (argStr != null && !argStr.isEmpty) argStr else "None"}
 
 Review comment:
   Do we need to mute "Arguments" if no arguments instead of printing "None"?

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