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Posted to issues@spark.apache.org by "Gengliang Wang (Jira)" <ji...@apache.org> on 2022/03/01 13:55:00 UTC

[jira] [Created] (SPARK-38363) Avoid runtime error in Dataset.summary() when ANSI mode is on

Gengliang Wang created SPARK-38363:
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             Summary: Avoid runtime error in Dataset.summary() when ANSI mode is on
                 Key: SPARK-38363
                 URL: https://issues.apache.org/jira/browse/SPARK-38363
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: Gengliang Wang
            Assignee: Gengliang Wang


When executing df.summary(), Spark SQL converts String columns as Double for the 

percentiles/mean/stddev metrics. 

This can cause runtime errors with ANSI mode on. 

Since this API is for getting a quick summary of the Dataframe, I suggest using "TryCast" for the problematic stats so that the API still works under ANSI mode.



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