Stephen Mallette created TINKERPOP-3255:
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             Summary: OPTIONAL MATCH support
                 Key: TINKERPOP-3255
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-3255
             Project: TinkerPop
          Issue Type: Improvement
          Components: gql
    Affects Versions: 4.0.0
            Reporter: Stephen Mallette


The GQL grammar currently only handles MATCH. OPTIONAL MATCH (left-outer-join 
semantics, emit a result row even when the optional pattern has no match) is a 
high-priority follow-on for practical usability.



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