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Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/04/04 22:29:41 UTC

[jira] [Created] (HIVE-16376) Driver.queryState.commandType is often not set correctly

Eugene Koifman created HIVE-16376:
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             Summary: Driver.queryState.commandType is often not set correctly
                 Key: HIVE-16376
                 URL: https://issues.apache.org/jira/browse/HIVE-16376
             Project: Hive
          Issue Type: Improvement
    Affects Versions: 1.0.0
            Reporter: Eugene Koifman


For example, various EXPLAIN <....> operations all have this set to QUERY though it would make more sense to set it to HiveOperation.EXPLAIN especially since ExplainSemanticAnalyzer forks off another instance of Driver to run the <...> for EXPLAIN ANALYZE <...> types of commands but shares the QueryState between the 2.

Changing this of course causes a lot of .q.out files to change.

It would useful in general for the Driver to know the HiveOperation type more precisely.

For example, there is no distinction between SELECT/UPDATE/INSERT/DELETE/MERGE.

Need to clean this up.



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