tanelk commented on a change in pull request #31973:
URL: https://github.com/apache/spark/pull/31973#discussion_r602322670
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/interfaces.scala
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@@ -203,8 +203,7 @@ abstract class AggregateFunction extends Expression {
def inputAggBufferAttributes: Seq[AttributeReference]
/**
- * Result of the aggregate function when the input is empty. This is
currently only used for the
- * proper rewriting of distinct aggregate functions.
Review comment:
The second sentence was not correct.
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