maropu 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_r389501192
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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 {
Review comment:
Can you leave code comments here about what's a difference from
`flatArguments`?
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