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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2023/01/25 19:49:00 UTC
[jira] [Commented] (SPARK-42191) Support udf luhn_check
[ https://issues.apache.org/jira/browse/SPARK-42191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17680776#comment-17680776 ]
Apache Spark commented on SPARK-42191:
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User 'vinodkc' has created a pull request for this issue:
https://github.com/apache/spark/pull/39747
> Support udf luhn_check
> -----------------------
>
> Key: SPARK-42191
> URL: https://issues.apache.org/jira/browse/SPARK-42191
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Vinod KC
> Priority: Minor
>
> Support UDF to check if a given number string is a valid Luhn number. It shall return true if the number string is a valid Luhn number, and false otherwise.
> This checksum function is widely applied to credit card numbers and government identification numbers to distinguish valid numbers from mistyped, incorrect numbers
> Ref : [trino|https://trino.io/docs/current/functions/string.html]
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