[GitHub] incubator-metron issue #296: METRON-439: Stellar : IS_EMPTY(host) throws exc...

[ottobackwards <gi...@git.apache.org>]

Github user ottobackwards commented on the issue:

    https://github.com/apache/incubator-metron/pull/296
  
    I'm working on making LENGTH work like IS_EMPTY.  I can't get either one to work as both are failing validation.  There is no StellarTest for IS_EMPTY ( I have added one to check if it is just my code that is failing ).  Can you one and try it there an make sure it works all the way through the Stellar parse and variable resolve?
    ParseException: Unable to parse IS_EMPTY(foo): Unable to execute: IS_EMPTY expects a collection or a string
    
    This is when calling with
    `String query = "IS_EMPTY(foo);
     Asser.assertEquals(true,run(query,ImmutableMap.of("foo",""));
    `


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