Github user cxzl25 commented on a diff in the pull request:
https://github.com/apache/spark/pull/21311#discussion_r189905873
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
---
@@ -626,6 +618,32 @@ private[execution] final class LongToUnsafeRowMap(val
mm: TaskMemoryManager, cap
}
}
+ private def grow(neededSize: Int): Unit = {
+ // There is 8 bytes for the pointer to next value
+ val totalNeededSize = cursor + 8 + neededSize
--- End diff --
@cloud-fan Thank you for your suggestion and code.
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