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Posted to issues@spark.apache.org by "Mihailo Milosevic (Jira)" <ji...@apache.org> on 2024/03/11 08:30:00 UTC

[jira] [Updated] (SPARK-47169) Disable bucketing on collated collumns

     [ https://issues.apache.org/jira/browse/SPARK-47169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mihailo Milosevic updated SPARK-47169:
--------------------------------------
    Description: 
What changes were proposed in this pull request?
Disable bucketing on columns that are non default collated.

Why are the changes needed?
With current implementation bucketIds are generated from a string value where each unique string guarantees unique id, but when collation is turned on, this is not the case.

> Disable bucketing on collated collumns
> --------------------------------------
>
>                 Key: SPARK-47169
>                 URL: https://issues.apache.org/jira/browse/SPARK-47169
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.0.0
>            Reporter: Mihailo Milosevic
>            Priority: Major
>              Labels: pull-request-available
>
> What changes were proposed in this pull request?
> Disable bucketing on columns that are non default collated.
> Why are the changes needed?
> With current implementation bucketIds are generated from a string value where each unique string guarantees unique id, but when collation is turned on, this is not the case.



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