Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/12102#discussion_r58289519
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
---
@@ -422,25 +384,36 @@ private[joins] final class LongArrayRelation(
private var offsets: Array[Int],
private var sizes: Array[Int],
private var bytes: Array[Byte]
- ) extends UniqueHashedRelation with LongHashedRelation with
Externalizable {
+ ) extends LongHashedRelation with Externalizable {
// Needed for serialization (it is public to make Java serialization
work)
def this() = this(0, 0L, null, null, null)
- override def getValue(key: InternalRow): InternalRow = {
- getValue(key.getLong(0))
+ override def allUnique: Boolean = true
+
+ override def copy(): LongArrayRelation = {
+ new LongArrayRelation(numFields, start, offsets, sizes, bytes)
}
override def getMemorySize: Long = {
offsets.length * 4 + sizes.length * 4 + bytes.length
}
+ override def get(key: Long): Iterator[InternalRow] = {
+ val row = getValue(key)
+ if (row != null) {
+ Seq(row).toIterator
--- End diff --
this is just Iterator(row)
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