cloud-fan commented on a change in pull request #29547:
URL: https://github.com/apache/spark/pull/29547#discussion_r477298998
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
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@@ -1065,34 +1073,20 @@ private[joins] object LongHashedRelation {
}
/**
- * Common trait with dummy implementation for NAAJ special HashedRelation
- * EmptyHashedRelation
- * HashedRelationWithAllNullKeys
+ * A special HashedRelation indicates it built from a empty
input:Iterator[InternalRow].
Review comment:
`indicates it built` -> `indicating that it's built`
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