Todd Lipcon created IMPALA-7340:
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Summary: Clarify which fields belong in "descriptor" vs "full"
catalog thrift objects
Key: IMPALA-7340
URL: https://issues.apache.org/jira/browse/IMPALA-7340
Project: IMPALA
Issue Type: Improvement
Components: Catalog
Affects Versions: Impala 3.1.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Currently some Thrift objects like THdfsPartition are used both in the context
of descriptors (i.e sent to the backend) and in the context of catalog objects
(sent from the catalogd to impalad). The Thrift struct definition doesn't
really clarify which fields are used where, and in fact the frontend currently
fills in some fields in the Descriptor which are not actually read by the
backend. We should more clearly document which fields are necessary where, and
only serialize those that are necessary.
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