uros-b commented on code in PR #57551:
URL: https://github.com/apache/spark/pull/57551#discussion_r3681404059
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/kllAggregates.scala:
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@@ -208,6 +208,13 @@ case class KllSketchAggBigint(
The optional k parameter controls the size and accuracy of the sketch
(default 200, range 8-65535).
Larger k values provide more accurate quantile estimates but result in
larger, slower sketches.
""",
+ arguments = """
+ Arguments:
+ * expr - The expression to aggregate into the KLL sketch.
+ An expression that evaluates to a float or double.
Review Comment:
so only float here? no double
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