cloud-fan commented on a change in pull request #27685: [SPARK-30940][SQL]
Remove attributeId in auto-generated arguments when Explain SQL query
URL: https://github.com/apache/spark/pull/27685#discussion_r389649319
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala
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@@ -265,14 +265,21 @@ abstract class Expression extends TreeNode[Expression] {
case single => single :: Nil
}
+ protected def flatArgumentStrings: Iterator[String] = flatArguments.map {
+ case e: Expression => e.argumentString
+ case arg => s"$arg"
+ }
+
// Marks this as final, Expression.verboseString should never be called, and
thus shouldn't be
// overridden by concrete classes.
final override def verboseString(maxFields: Int): String =
simpleString(maxFields)
override def simpleString(maxFields: Int): String = toString
override def toString: String = prettyName + truncatedString(
- flatArguments.toSeq, "(", ", ", ")", SQLConf.get.maxToStringFields)
+ flatArgumentStrings.toSeq, "(", ", ", ")", SQLConf.get.maxToStringFields)
+
+ def argumentString: String = toString
Review comment:
is it possible to only add one method? I'm worried about adding to many
methods to the framework.
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