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Posted to issues@impala.apache.org by "Thomas Tauber-Marshall (JIRA)" <ji...@apache.org> on 2017/05/22 17:46:04 UTC

[jira] [Created] (IMPALA-5351) Handle column comments for Kudu tables

Thomas Tauber-Marshall created IMPALA-5351:
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             Summary: Handle column comments for Kudu tables
                 Key: IMPALA-5351
                 URL: https://issues.apache.org/jira/browse/IMPALA-5351
             Project: IMPALA
          Issue Type: Improvement
          Components: Catalog
    Affects Versions: Impala 2.9.0
            Reporter: Thomas Tauber-Marshall


Currently, if a column comment is specified in a CREATE TABLE for a Kudu table, we just silently drop it because Kudu does not currently support column comments (KUDU-1711).

One option would be to store the comments in HMS, but splitting the metadata between HMS and Kudu  is probably more complicated than its worth.

Most likely, we can just wait for it to be implemented on the Kudu side, but before then we may want to consider issuing a warning when people use column comments on Kudu tables.



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