[jira] [Created] (DRILL-2648) CONVERT_FROM gives no specific message with called with bad type value

[Daniel Barclay (Drill) (JIRA)]

Daniel Barclay (Drill) created DRILL-2648:
---------------------------------------------

             Summary: CONVERT_FROM gives no specific message with called with 
bad type value
                 Key: DRILL-2648
                 URL: https://issues.apache.org/jira/browse/DRILL-2648
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Daniel Barclay (Drill)


Invoking CONVERT_FROM like this:

  SELECT CONVERT_FROM(CAST(NULL AS INTEGER), '') FROM  
INFORMATION_SCHEMA.CATALOGS;

yields errors with no useful information (nothing specific to the problem):

  0: jdbc:drill:zk=local> SELECT CONVERT_FROM(CAST(NULL AS INTEGER), '') FROM  
INFORMATION_SCHEMA.CATALOGS;
  Query failed: AssertionError: 

  Error: exception while executing query: Failure while executing query. 
(state=,code=0)
  0: jdbc:drill:zk=local> 


Invoking CONFIRM_FROM with a bad type string should yield a message saying that 
the type string was unrecognized  (and eventually should list all valid type 
strings that Drill knows).




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