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  1. Blazegraph (by SYSTAP)
  2. BLZG-2091

Regression: IF + BOUND produce exception in 2.1.4

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      Description

      This query:

      SELECT ?item ?host (IF(BOUND(?host), 0, 1) as ?p1)
      {
      	?item wdt:P31 wd:Q3917681
      	OPTIONAL {?item wdt:P17 ?host }
      }
      

      Produces exception "Headless value factory should not be asked for its namespace" when running on 2.1.4. Same query works fine in 2.1.1.

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            Assignee:
            michaelschmidt michaelschmidt
            Reporter:
            stasmalyshev stasmalyshev
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