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v4.3
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    中文EN
    v4.3

      toString()

      Function toString() returns the string value of any data.

      Arguments:

      • Any value <any>

      Returns:

      • String <string>

      Sample graph: (to be used for the following examples)

      Run below UQLs one by one in an empty graphset to create graph data:

      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:"test@yahoo.cn"},{_id:"P002",_uuid:2,age:27,email:"test@ultipa.com"}])
      insert().into(@student).nodes([{_id:"S001",_uuid:3,age:27,email:"test@yeah.net"},{_id:"S002",_uuid:4,age:20,email:"test@w3.org"},{_id:"S003",_uuid:5,age:25,email:"test@gmail.com"}])
      

      Comman Usage

      Exalmple: Convert number list to string

      find().nodes({@student}) as n
      with collect(n.age) as ageList
      return toString(ageList)
      

      [27,20,25]
      

      Analysis: A list is converted to string and not able to call its element by index.

      Exalmple: Convert NODE list to string

      find().nodes({@student}) as n
      with collect(n) as nodeList
      return toString(nodeList)
      

      [3,4,5]
      

      Analysis: The NODE or EDGE passed in will be simplified as UUID before conversion.

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