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Posted to issues@spark.apache.org by "Nguyen Quang Huy (Jira)" <ji...@apache.org> on 2021/05/20 02:53:00 UTC

[jira] [Commented] (SPARK-33428) conv UDF returns incorrect value

    [ https://issues.apache.org/jira/browse/SPARK-33428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17348024#comment-17348024 ] 

Nguyen Quang Huy commented on SPARK-33428:
------------------------------------------

should we consider return null value if overflow occur since bigInt cann't handle signed and unsigned base?

> conv UDF returns incorrect value
> --------------------------------
>
>                 Key: SPARK-33428
>                 URL: https://issues.apache.org/jira/browse/SPARK-33428
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> How to reproduce this issue:
> {noformat}
> spark-sql> select java_method('scala.math.BigInt', 'apply', 'c8dcdfb41711fc9a1f17928001d7fd61', 16);
> 266992441711411603393340504520074460513
> spark-sql> select conv('c8dcdfb41711fc9a1f17928001d7fd61', 16, 10);
> 18446744073709551615
> {noformat}



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