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https://issues.apache.org/jira/browse/SPARK-45106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruce Robbins updated SPARK-45106:
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Affects Version/s: 3.3.2
> percentile_cont gets internal error when user input fails runtime
> replacement's input type check
> -------------------------------------------------------------------------------------------------
>
> Key: SPARK-45106
> URL: https://issues.apache.org/jira/browse/SPARK-45106
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.3.2, 3.4.1, 3.5.0, 4.0.0
> Reporter: Bruce Robbins
> Priority: Major
> Labels: pull-request-available
>
> This query throws an internal error rather than producing a useful error
> message:
> {noformat}
> select percentile_cont(b) WITHIN GROUP (ORDER BY a DESC) as x
> from (values (12, 0.25), (13, 0.25), (22, 0.25)) as (a, b);
> [INTERNAL_ERROR] Cannot resolve the runtime replaceable expression
> "percentile_cont(a, b)". The replacement is unresolved: "percentile(a, b, 1)".
> org.apache.spark.SparkException: [INTERNAL_ERROR] Cannot resolve the runtime
> replaceable expression "percentile_cont(a, b)". The replacement is
> unresolved: "percentile(a, b, 1)".
> at
> org.apache.spark.SparkException$.internalError(SparkException.scala:92)
> at
> org.apache.spark.SparkException$.internalError(SparkException.scala:96)
> at
> org.apache.spark.sql.catalyst.analysis.CheckAnalysis.$anonfun$checkAnalysis0$6(CheckAnalysis.scala:313)
> at
> org.apache.spark.sql.catalyst.analysis.CheckAnalysis.$anonfun$checkAnalysis0$6$adapted(CheckAnalysis.scala:277)
> ...
> {noformat}
> It should instead inform the user that the input expression must be foldable.
> {{PercentileCont}} does not check the user's input. If the runtime
> replacement (an instance of {{Percentile}}) rejects the user's input, the
> runtime replacement ends up unresolved.
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