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[SPARK-23875][SQL][FollowUp] Add IndexedSeq wrapper for ArrayData #21099

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[SPARK-23875][SQL][FollowUp] Add IndexedSeq wrapper for ArrayData #21099

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7 changes: 4 additions & 3 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/ArrayData.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -141,28 +141,29 @@ abstract class ArrayData extends SpecializedGetters with Serializable {

def toArray[T: ClassTag](elementType: DataType): Array[T] = {
val size = numElements()
val accessor = InternalRow.getAccessor(elementType)
val values = new Array[T](size)
var i = 0
while (i < size) {
if (isNullAt(i)) {
values(i) = null.asInstanceOf[T]
} else {
values(i) = get(i, elementType).asInstanceOf[T]
values(i) = accessor(this, i).asInstanceOf[T]
}
i += 1
}
values
}

// todo: specialize this.
def foreach(elementType: DataType, f: (Int, Any) => Unit): Unit = {
val size = numElements()
val accessor = InternalRow.getAccessor(elementType)
var i = 0
while (i < size) {
if (isNullAt(i)) {
f(i, null)
} else {
f(i, get(i, elementType))
f(i, accessor(this, i))
}
i += 1
}
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