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From jaltekruse <...@git.apache.org>
Subject [GitHub] drill pull request: DRILL-4123: refer to fully qualified variable ...
Date Mon, 07 Dec 2015 23:31:54 GMT
Github user jaltekruse commented on the pull request:

    https://github.com/apache/drill/pull/293#issuecomment-162704924
  
    Apologies, didn't think about the order in which compilation and resolving the injectables
would be executed. I thought I had verified that this error would make it back to users if
the function was used in a select list, but obviously there wasn't a test for it.
    
    As far as looking at the output of explorers, the easiest way to do this would be to use
a function like maxdir in the where clause and then just include dirN in the select clause
as well. This will cause the function to be evaluated just during pruning.
    
    select dir0 from dfs.workspace`path/to/dir/*` where dir0 = MAXDIR('dfs.workspace', '/path/to/dir');


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