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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2020/04/28 02:08:00 UTC

[jira] [Updated] (SPARK-31585) Support Z-order curve

     [ https://issues.apache.org/jira/browse/SPARK-31585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuming Wang updated SPARK-31585:
--------------------------------
    Attachment: zorder.png

> Support Z-order curve
> ---------------------
>
>                 Key: SPARK-31585
>                 URL: https://issues.apache.org/jira/browse/SPARK-31585
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Yuming Wang
>            Priority: Major
>         Attachments: zorder.png
>
>
> Z-ordering is a technique that allows you to map multidimensional data to a single dimension.  We can use this feature to improve query performance. 
> More details:
> https://en.wikipedia.org/wiki/Z-order_curve
> https://aws.amazon.com/blogs/database/z-order-indexing-for-multifaceted-queries-in-amazon-dynamodb-part-1/



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