Zoltán Borók-Nagy created IMPALA-7543:
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             Summary: Enhance scan ranges to support sub-ranges
                 Key: IMPALA-7543
                 URL: https://issues.apache.org/jira/browse/IMPALA-7543
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: Zoltán Borók-Nagy


For IMPALA-5843 we need to have smarter scan ranges that only read a list of 
inner ranges.

It'll be useful for Parquet files that have page index, so Impala will only 
read the relevant pages.

More information can be found in 
[https://docs.google.com/document/d/1D-el8njq_I-JKd3NDcW1mRXID_n0dBDKIkjWxwULVus]

 



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