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v4.5
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    v4.5

      NOT

      • Expression: !<exp>
      • Opérande: expression (true, false)

      | <exp>\t| Résultat\t| | -\t| -\t| | 0\t| 1\t| | 1\t| 0\t|

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

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

      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 Commune

      Exemple : Trouver les nodes de @student, dont l'âge n'est pas 27

      find().nodes({@student && !(age==27)}) as n
      return n{*}
      

      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S002  |   4   |  20   | [email protected]     |
      | S003  |   5   |  25   | [email protected]  |
      

      Analyse : Ce filtre ne peut pas être composé comme {!(@student.age == 27)}, ce qui équivaut à {!@student || !(age == 27)} et produit :

      |--------------- @professor --------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | P001  |   1   |  53   | [email protected]   |
      | P002  |   2   |  27   | [email protected] |
      
      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S002  |   4   |  20   | [email protected]     |
      | S003  |   5   |  25   | [email protected]  |
      
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