Gabor Kaszab created IMPALA-12598:
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             Summary: Add support for multiple equality field ID list
                 Key: IMPALA-12598
                 URL: https://issues.apache.org/jira/browse/IMPALA-12598
             Project: IMPALA
          Issue Type: Sub-task
          Components: Frontend
            Reporter: Gabor Kaszab


Iceberg metadata holds an equality field ID list for the equality-delete files. 
It's possible to have a different equality field ID list for different 
equality-delete files, for instance one file deletes by columnA while another 
file deletes by columnB.

When you have such a table you should have multiple layers of ANTI JOINs, one 
join for each equality field ID list.



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