[jira] [Created] (HIVE-3973) Misleading error message for DROP TABLE IF EXISTS when derby is in read-only mode

["Marc Limotte (JIRA)" <ji...@apache.org>]

Marc Limotte created HIVE-3973:
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             Summary: Misleading error message for DROP TABLE IF EXISTS when derby is in read-only mode
                 Key: HIVE-3973
                 URL: https://issues.apache.org/jira/browse/HIVE-3973
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.9.0
            Reporter: Marc Limotte


Mis-leading error message implies that hive does not respect the IF EXISTS clause for DROP TABLE.

Here's what it looks like from the hive shell:

  hive> DROP TABLE IF EXISTS ashgafjhg;                                              
  FAILED: Error in semantic analysis: Table not found ashgafjhg

Doesn't matter what the table name is.

Turns out the real issue was that the Derby metastore was already in use.  Other commands were throwing this error:

  A read-only user or a user in a read-only database...

DROP TABLE should show the error about the read-only user, which is more helpful than the misleading error about "Table not found".




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