dongjoon-hyun commented on a change in pull request #30190:
URL: https://github.com/apache/spark/pull/30190#discussion_r514647947
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
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@@ -297,6 +297,7 @@ case class Literal (value: Any, dataType: DataType) extends
LeafExpression {
override def toString: String = value match {
case null => "null"
case binary: Array[Byte] => s"0x" +
DatatypeConverter.printHexBinary(binary)
+ case d: ArrayBasedMapData => s"map(${d.toString})"
Review comment:
The **static literal map**'s string representation happens to be
`ArrayBasedMapData` for now, but it was just one of design choice and can be
changed later.
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