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Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/11/22 22:35:00 UTC

[jira] [Created] (HIVE-18135) Add validation to check if schema matches?

Eugene Koifman created HIVE-18135:
-------------------------------------

             Summary: Add validation to check if schema matches?
                 Key: HIVE-18135
                 URL: https://issues.apache.org/jira/browse/HIVE-18135
             Project: Hive
          Issue Type: Sub-task
          Components: Transactions
            Reporter: Eugene Koifman


LoadSemanticAnalyzer.ensureFileFormatsMatch() checks InputFormats.
Should it also check to make sure schema matches or will schema evolution logic for ORC handle this.
Should it check that Acid metadata (ROW__ID) is not embedded in the data - if the file was originally take from an acid table.  This will break reads.



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