Yuming Wang created SPARK-31585:
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             Summary: 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


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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