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Posted to issues@impala.apache.org by "Manish Maheshwari (Jira)" <ji...@apache.org> on 2024/04/26 10:10:00 UTC

[jira] [Created] (IMPALA-13041) Support Reading and Writing Puffin File Stats for Iceberg Tables

Manish Maheshwari created IMPALA-13041:
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             Summary: Support Reading and Writing Puffin File Stats for Iceberg Tables
                 Key: IMPALA-13041
                 URL: https://issues.apache.org/jira/browse/IMPALA-13041
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend, Frontend
            Reporter: Manish Maheshwari


Puffin File format is an iceberg upstream spec to support stats for iceberg tables. These stats cannot be both read and used for query planning and written by Impala today. We want to extend support in Impala to do the below - 
 # Read stats from Puffin files 
 # Write stats to puffin files during load/insert/update/delete commands (as applicable)
 # Modify compute stats command for iceberg tables to compute stats and store them in Puffin files

 



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