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v4.5
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    v4.5

      toGraph()

      Vue d’ensemble

      La fonction toGraph() fusionne des NODEs, EDGEs, PATHs et des GRAPHs en un sous-graphe de type GRAPH, et retourne ce sous-graphe. Elle permet un nombre infini d'arguments.

      Arguments:

      • 1ère valeur <[]NODE, []EDGE, []PATH, GRAPH>
      • 2ème valeur <[]NODE, []EDGE, []PATH, GRAPH> ...

      Retours:

      • Sous-graphe <GRAPH>

      Exemple de graphe : (à utiliser pour les exemples suivants)

      Exécutez les UQLs ci-dessous un par un dans un graphset vide pour créer des données de graphe:

      create().node_schema("country").node_schema("movie").node_schema("director").edge_schema("filmedIn").edge_schema("direct")
      create().node_property(@*, "name")
      insert().into(@country).nodes([{_id:"C001", _uuid:1, name:"France"}, {_id:"C002", _uuid:2, name:"USA"}])
      insert().into(@movie).nodes([{_id:"M001", _uuid:3, name:"Léon"}, {_id:"M002", _uuid:4, name:"The Terminator"}, {_id:"M003", _uuid:5, name:"Avatar"}])
      insert().into(@director).nodes([{_id:"D001", _uuid:6, name:"Luc Besson"}, {_id:"D002", _uuid:7, name:"James Cameron"}])
      insert().into(@filmedIn).edges([{_uuid:1, _from_uuid:3, _to_uuid:1}, {_uuid:2, _from_uuid:4, _to_uuid:1}, {_uuid:3, _from_uuid:3, _to_uuid:2}, {_uuid:4, _from_uuid:4, _to_uuid:2}, {_uuid:5, _from_uuid:5, _to_uuid:2}])
      insert().into(@direct).edges([{_uuid:6, _from_uuid:6, _to_uuid:3}, {_uuid:7, _from_uuid:7, _to_uuid:4}, {_uuid:8, _from_uuid:7, _to_uuid:5}])
      

      Utilisation Commune

      Exemple : Fusionner des NODEs et des EDGEs pour créer un GRAPH

      n({name == "James Cameron"}).e().n({@movie} as m)
        .e(as e).n({@country} as c)
      return toGraph(listUnion(collect(m),collect(c)),collect(e))
      

      {
        nodes:[
          {id:"M002", uuid:4, schema:"movie", values:{name:"The Terminator"}}, 
          {id:"M003", uuid:5, schema:"movie", values:{name:"Avatar"}},
          {id:"C001", uuid:1, schema:"country", values:{name:"France"}}, 
          {id:"C002", uuid:2, schema:"country", values:{name:"USA"}}
        ],
        edges:[
          {uuid:2, from_uuid:4, to_uuid:1, from:"M002", to:"C001", schema:"filmedIn", values:{}},
          {uuid:4, from_uuid:4, to_uuid:2, from:"M002", to:"C002", schema:"filmedIn", values:{}},
          {uuid:5, from_uuid:5, to_uuid:2, from:"M003", to:"C002", schema:"filmedIn", values:{}},
        ]
      }
      

      Exemple : Fusionner des PATHs pour créer un GRAPH

      n({name == "James Cameron"}).e().n({@movie})
        .e().n({@country}) as p
      return toGraph(collect(p))
      

      {
        nodes:[
          {id:"D002", uuid:7, schema:"director", values:{name:"James Cameron"}},
          {id:"M002", uuid:4, schema:"movie", values:{name:"The Terminator"}}, 
          {id:"M003", uuid:5, schema:"movie", values:{name:"Avatar"}},
          {id:"C001", uuid:1, schema:"country", values:{name:"France"}}, 
          {id:"C002", uuid:2, schema:"country", values:{name:"USA"}}
        ],
        edges:[
          {uuid:2, from_uuid:4, to_uuid:1, from:"M002", to:"C001", schema:"filmedIn", values:{}},
          {uuid:7, from_uuid:7, to_uuid:4, from:"D002", to:"M002", schema:"direct", values:{}},
          {uuid:4, from_uuid:4, to_uuid:2, from:"M002", to:"C002", schema:"filmedIn", values:{}},
          {uuid:5, from_uuid:5, to_uuid:2, from:"M003", to:"C002", schema:"filmedIn", values:{}},
          {uuid:8, from_uuid:7, to_uuid:5, from:"D002", to:"M003", schema:"direct", values:{}},
        ]
      }
      
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