cloud-fan commented on a change in pull request #23349: [SPARK-26403][SQL]
Support pivoting using array column for `pivot(column)` API
URL: https://github.com/apache/spark/pull/23349#discussion_r243871097
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
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@@ -67,6 +67,7 @@ object Literal {
case t: Timestamp => Literal(DateTimeUtils.fromJavaTimestamp(t),
TimestampType)
case d: Date => Literal(DateTimeUtils.fromJavaDate(d), DateType)
case a: Array[Byte] => Literal(a, BinaryType)
+ case a: collection.mutable.WrappedArray[_] => apply(a.array)
Review comment:
Can we provide the class tag manually? like
```
apply(seq.toArray(classTag[Any]))
```
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