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Posted to issues-all@impala.apache.org by "Yu-Wen Lai (Jira)" <ji...@apache.org> on 2022/01/28 03:45:00 UTC

[jira] [Created] (IMPALA-11093) Fine grained table refreshing doesn't refresh table file metadata

Yu-Wen Lai created IMPALA-11093:
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             Summary: Fine grained table refreshing doesn't refresh table file metadata
                 Key: IMPALA-11093
                 URL: https://issues.apache.org/jira/browse/IMPALA-11093
             Project: IMPALA
          Issue Type: Bug
          Components: Catalog
            Reporter: Yu-Wen Lai
            Assignee: Yu-Wen Lai


If we insert data into an acid partitioned table from Hive, the generated events will be like open_txn -> alter_partition -> commit_txn.

Let's assume the allocated write id in this transaction is 3.
In alter_partition event, we will refresh the partition (without refreshing file metadata) because the write id with the partition object in the event > write id of the cache partition. Then, in commit_txn event, we still do the same write id check. However, the write id is still the same, so we end up don't fresh file metadata. 



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