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Posted to issues@tajo.apache.org by "Jaehwa Jung (JIRA)" <ji...@apache.org> on 2014/12/01 08:01:12 UTC

[jira] [Created] (TAJO-1213) Implement CatalogStore::updateTable

Jaehwa Jung created TAJO-1213:
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             Summary: Implement CatalogStore::updateTable
                 Key: TAJO-1213
                 URL: https://issues.apache.org/jira/browse/TAJO-1213
             Project: Tajo
          Issue Type: Improvement
          Components: catalog
            Reporter: Jaehwa Jung
            Assignee: Jaehwa Jung


Currently, there is no method to update existing table information at CatalogStore. So, if user execute an insert query, tajo drop a table and then tajo create a table. It doesn't matter to tajo own CatalogStore like DerbyStore, MySQLStore. But it is a critical issue to HCatalogStore. if tajo drop a existing partitioned table, users will lose existing partition informations. As a result, they should repair table partition against their will. As you know, hive msck command can affect hive metastore performance.



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