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v4.5
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    v4.5

      Inférieur ou Égal à

      • Expression : <value1> <= <value2>
      • Opérande : chaîne, nombre, temps

      Constante

      Exemple : Juger si "2020-01-04" est inférieur ou égal à "2020-04-27"

      return "2020-01-04" <= "2020-04-27"
      

      1
      

      Fonction

      Exemple : Juger si PI est inférieur ou égal à 3

      return pi() <= 3
      

      0
      

      Alias

      Exemple : Juger chaque ligne d'un alias si elle est inférieure ou égale à 3

      uncollect [1,2,3,2,2] as a
      return a <= 2
      

      1
      1
      0
      1
      1
      

      Graph d'exemple : (à utiliser pour les exemples suivants)

      Exécutez les UQLs ci-dessous une par une 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]"}])
      

      Propriété

      Exemple : Trouver les nodes dont l'âge est inférieur ou égal à 27

      find().nodes({age <= 27}) as n
      return n{*} 
      

      |--------------- @professor --------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | P002  |   2   |  27   | [email protected] |
      
      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S001  |   3   |  27   | [email protected]   |
      | S002  |   4   |  20   | [email protected]     |
      | S003  |   5   |  25   | [email protected]  |
      

      Exemple : Trouver les nodes de @professor, dont l'âge est inférieur ou égal à 27

      find().nodes({@professor.age <= 27}) as n
      return n{*} 
      

      |--------------- @professor --------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | P002  |   2   |  27   | [email protected] |
      
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