cloud-fan 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_r381960043
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
##########
@@ -189,9 +189,16 @@ 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")
- s"""
+ val argumentString = argString(SQLConf.get.maxToStringFields)
+
+ val result = s"""
|($operatorId) $nodeName $codegenIdStr
""".stripMargin
+ if (argumentString != null && !argumentString.isEmpty) {
+ s"""${result} |Arguments: $argumentString\n""".stripMargin
Review comment:
This is too hard to read. How about
```
val result = s"($operatorId) $nodeName $codegenIdStr\n"
if (argumentString.nonEmpty) {
result + s"Arguments: $argumentString\n"
} else {
result
}
```
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