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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2185) flatten(*) should return a more appropriate error
Date Mon, 09 Feb 2015 05:02:34 GMT
Rahul Challapalli created DRILL-2185:

             Summary: flatten(*) should return a more appropriate error
                 Key: DRILL-2185
                 URL: https://issues.apache.org/jira/browse/DRILL-2185
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill
            Reporter: Rahul Challapalli
            Assignee: Daniel Barclay (Drill/MapR)
            Priority: Minor


The below query returns an obscure error
0: jdbc:drill:schema=dfs> select flatten(*) from `data1.json`;
Query failed: AssertionError: Internal error: invariant violated: conversion result not null

We should mention that it is an in-appropriate use of the flatten operator

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