[jira] [Created] (HIVE-21667) Bad error message when non-ACID files are put in an insert_only ACID table

["Todd Lipcon (JIRA)" <ji...@apache.org>]

Todd Lipcon created HIVE-21667:
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             Summary: Bad error message when non-ACID files are put in an insert_only ACID table
                 Key: HIVE-21667
                 URL: https://issues.apache.org/jira/browse/HIVE-21667
             Project: Hive
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 3.1.0
            Reporter: Todd Lipcon


I created an insert_only transactional table, and then dropped a text file into the table's directory from a non-transaction-aware client. When I next queried the table, I got the following error:

Error: java.io.IOException: java.io.IOException: Not a file: hdfs://localhost:20500/test-warehouse/trans/delta_0000002_0000002_0000 (state=,code=0)

It seems that Hive saw the non-ACID file and fell back to some kind of non-ACID reader path, but then got confused by the delta directory. This case should either fall back to gracefully reading the file, or give an error message like "Unexpected file not conforming to ACID layout: <path>. Data must be loaded using into transactional tables LOAD DATA." or something.



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