Ruifeng Zheng created SPARK-58916:
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Summary: Handle infinite relativeError in approxQuantile
Key: SPARK-58916
URL: https://issues.apache.org/jira/browse/SPARK-58916
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 5.0.0
Reporter: Ruifeng Zheng
DataFrameStatFunctions.approxQuantile derives approx_percentile accuracy from
relativeError. Double.PositiveInfinity passes the existing non-negative
relative-error validation, but ceil(1.0 / relativeError) produces accuracy 0,
which approx_percentile rejects. Clamp the derived accuracy to at least 1. See
PR: https://github.com/apache/spark/pull/58173
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