Github user heary-cao commented on a diff in the pull request:
https://github.com/apache/spark/pull/21968#discussion_r212896640
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
---
@@ -164,9 +164,8 @@ private[joins] class UnsafeHashedRelation(
def getValue(key: InternalRow): InternalRow = {
val unsafeKey = key.asInstanceOf[UnsafeRow]
val map = binaryMap // avoid the compiler error
- val loc = new map.Location // this could be allocated in stack
- binaryMap.safeLookup(unsafeKey.getBaseObject, unsafeKey.getBaseOffset,
- unsafeKey.getSizeInBytes, loc, unsafeKey.hashCode())
+ val loc = map.lookup(unsafeKey.getBaseObject, unsafeKey.getBaseOffset,
--- End diff --
this is safe to lookup, and It is different from the get(key: InternalRow).
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