wangyum commented on a change in pull request #31455:
URL: https://github.com/apache/spark/pull/31455#discussion_r570665361
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
##########
@@ -298,11 +298,21 @@ case class Literal (value: Any, dataType: DataType)
extends LeafExpression {
override def foldable: Boolean = true
override def nullable: Boolean = value == null
+ private val timeZoneId =
DateTimeUtils.getZoneId(SQLConf.get.sessionLocalTimeZone)
+
override def toString: String = value match {
Review comment:
This will change the current behaviour:
```
Literal.create(Array[Byte](65, 66, 67), BinaryType).toString // before:
0x414243, after: ABC
Literal.create(Map("a" -> 1)).toString // before: map(keys: [a], values:
[1]), after: {a -> 1}
```
cc @dongjoon-hyun
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