Change Password

Please enter the password.
Please enter the password. Between 8-64 characters. Not identical to your email address. Contain at least 3 of: uppercase, lowercase, numbers, and special characters.
Please enter the password.
Submit

Change Nickname

Current Nickname:
Submit

Apply New License

License Detail

Please complete this required field.

  • Ultipa Blaze (v4)

Standalone

Please complete this required field.

Please complete this required field.

Please complete this required field.

Please complete this required field.

Leave it blank if an HDC service is not required.

Please complete this required field.

Leave it blank if an HDC service is not required.

Please complete this required field.

Please complete this required field.

Mac addresses of all servers, separated by line break or comma.

Please complete this required field.

Please complete this required field.

Cancel
Apply
ID
Product
Status
Cores
Maximum Shard Services
Maximum Total Cores for Shard Service
Maximum HDC Services
Maximum Total Cores for HDC Service
Applied Validity Period(days)
Effective Date
Expired Date
Mac Address
Reason for Application
Review Comment
Close
Profile
  • Full Name:
  • Phone:
  • Company:
  • Company Email:
  • Country:
  • Language:
Change Password
Apply

You have no license application record.

Apply
Certificate Issued at Valid until Serial No. File
Serial No. Valid until File

Not having one? Apply now! >>>

Product Created On ID Amount (USD) Invoice
Product Created On ID Amount (USD) Invoice

No Invoice

v4.5
Search
    Français
    v4.5

      Trouver des Nodes

      Vue d'ensemble

      La clause find().nodes() récupère les nodes du graphset qui satisfont des conditions spécifiées.

      Syntaxe

      Alias de la clause : type NODE; alias par défaut est nodes

      Méthode
      Type de Param
      Spécification du Param
      Requis
      Description
      Alias
      nodes() Filtre / Oui Les conditions des nodes à récupérer N/A
      limit() Entier ≥-1 Non Nombre de résultats à renvoyer pour chaque sous-requête, -1 signifie tout retourner N/A

      Exemples

      Exemple de Graph

      Exécutez ces UQLs ligne par ligne dans un graphset vide pour créer ce graph :

      create().node_schema("professor").node_schema("student").edge_schema("mentor").edge_schema("assist")
      create().node_property(@*, "age", int32).node_property(@*, "email", string).edge_property(@*, "year", int32)
      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]"}])
      insert().into(@mentor).edges([{_uuid:1, _from_uuid:2, _to_uuid:3, year:2020},{_uuid:2, _from_uuid:1, _to_uuid:3, year:2021},{_uuid:3, _from_uuid:1, _to_uuid:4, year:2021},{_uuid:4, _from_uuid:1, _to_uuid:5, year:2022}])
      insert().into(@assist).edges([{_uuid:5, _from_uuid:3, _to_uuid:2, year:2020},{_uuid:6, _from_uuid:4, _to_uuid:1, year:2022}])
      

      Trouver Tous les Nodes

      find().nodes() as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      P002 2 professor 27 [email protected]
      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]
      S002 4 student 20 [email protected]
      S003 5 student 25 [email protected]

      Trouver des Nodes par ID

      find().nodes({_id == "S001"}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]

      find().nodes({_id in ["P001", "P002"]}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      P002 2 professor 27 [email protected]

      Trouver des Nodes par UUID

      find().nodes(1) as n
      return n{*}
      

      Le filtre {_uuid == 1} peut être simplifié à 1.

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]

      find().nodes([1,3]) as n
      return n{*}
      

      Le filtre {_uuid in [1,3]} peut être simplifié à [1,3].

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]

      Trouver des Nodes par Schema

      find().nodes({@student}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]
      S002 4 student 20 [email protected]
      S003 5 student 25 [email protected]

      find().nodes({@student || @professor}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      P002 2 professor 27 [email protected]
      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]
      S002 4 student 20 [email protected]
      S003 5 student 25 [email protected]

      Trouver des Nodes par Propriété

      find().nodes({age > 30}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]

      Trouver des Nodes par Schema et Propriété

      find().nodes({@student.age > 25}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]

      Utiliser l'Alias de la Clause par Défaut

      find().nodes().limit(1)
      return nodes{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]

      Utiliser limit()

      find().nodes().limit(3) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      P002 2 professor 27 [email protected]
      _id _uuid Schema age
      email
      S001 3 student 27 [email protected]

      Utiliser OPTIONAL

      uncollect [53, 55, 57] as value
      optional find().nodes({age == value}) as n
      return n{*}
      

      Résultat :

      _id _uuid Schema age
      email
      P001 1 professor 53 [email protected]
      _id _uuid Schema
      null null null
      null null null

      Si le préfixe OPTIONAL n'est pas utilisé, les résultats nuls ne seront pas retournés.

      Please complete the following information to download this book
      *
      公司名称不能为空
      *
      公司邮箱必须填写
      *
      你的名字必须填写
      *
      你的电话必须填写