[jira] [Created] (IMPALA-6080) Clean up descriptor table handling in coordinator

["Tim Armstrong (JIRA)" <ji...@apache.org>]

Tim Armstrong created IMPALA-6080:
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             Summary: Clean up descriptor table handling in coordinator
                 Key: IMPALA-6080
                 URL: https://issues.apache.org/jira/browse/IMPALA-6080
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Tim Armstrong
            Assignee: Tim Armstrong
            Priority: Minor


One of the parts of this patch https://gerrit.cloudera.org/#/c/7065/ was cleanup of how descriptor tables were managed. As described in the commit message:
{noformat}
Also: 
- adds DescriptorTbl::CreateHdfsTableDescriptor to avoid having to create an entire DescriptorTbl during INSERT finalization (when only a descriptor for the output table is needed) - removes TQueryExecRequest.desc_tbl, there's already a home for it in TQueryContext.desc_tbl
{noformat}

That cleanup should be independent of the larger patch so we could get it in separately.



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