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v4.5
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    v4.5

      sum()

      La fonction sum() additionne les valeurs des lignes dans un alias (en ignorant les lignes qui sont null). Une seule ligne de l'alias sera conservée après l'appel de cette fonction, et toutes les autres lignes seront abandonnées.

      Arguments:

      • Alias <number | time>

      Renvoie:

      • Somme

      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("professor").node_schema("student")
      create().node_property(@*, "age", int32).node_property(@*, "email", string)
      insert().into(@professor).nodes([{_id:"P001",_uuid:1,age:53,email:"[email protected]"},{_id:"P002",_uuid:2,age:27,email:"[email protected]"}])
      insert().into(@student).nodes([{_id:"S001",_uuid:3,age:27,email:"[email protected]"},{_id:"S002",_uuid:4,age:20,email:"[email protected]"},{_id:"S003",_uuid:5,age:25,email:"[email protected]"}])
      

      Utilisation Courante

      Exemple : Calculer la somme de age de tous les nodes dans le graph

      find().nodes() as n
      return sum(n.age)
      

      152
      
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