srowen commented on code in PR #38533:
URL: https://github.com/apache/spark/pull/38533#discussion_r1015808514
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala:
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@@ -158,7 +158,7 @@ case class PandasMode(
modes.append(key)
}
}
- new GenericArrayData(modes.toSeq)
+ new GenericArrayData(modes)
Review Comment:
This looks fine. The only concern I can think of is if this means the
GenericArrayData accesses a mutable underlying array then from an ArrayBuffer,
but this may be no problem given the usages changed here. The ArrayBuffers are
local vars.
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