[jira] [Created] (TINKERPOP-1711) map(union(fold())) bug

["Robert Dale (JIRA)" <ji...@apache.org>]

Robert Dale created TINKERPOP-1711:
--------------------------------------

             Summary: map(union(fold())) bug
                 Key: TINKERPOP-1711
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1711
             Project: TinkerPop
          Issue Type: Bug
          Components: process
    Affects Versions: 3.2.5
            Reporter: Robert Dale
            Assignee: Daniel Kuppitz
             Fix For: 3.2.6


Actual:
{code:java}
gremlin> graph = TinkerFactory.createModern()
==>tinkergraph[vertices:6 edges:6]
gremlin> g = graph.traversal()
==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard]
gremlin> g.V().valueMap()
==>[name:[marko],age:[29]]
==>[name:[vadas],age:[27]]
==>[name:[lop],lang:[java]]
==>[name:[josh],age:[32]]
==>[name:[ripple],lang:[java]]
==>[name:[peter],age:[35]]
gremlin> g.V().map(union(values('name'), values('lang').fold()).fold())
==>[marko,[]]
==>[[],vadas]
==>[lop,[java]]
==>[[],josh]
==>[ripple,[java]]
==>[[],peter]
{code}

Expected:
{code:java}
gremlin> g.V().map(union(values('name'), values('lang').fold()).fold())
==>[marko,[]]
==>[vadas,[]]
==>[lop,[java]]
==>[josh,[]]
==>[ripple,[java]]
==>[peter,[]]
{code}

List reference:  https://groups.google.com/forum/#!topic/gremlin-users/L_fESS6ta0A






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