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v4.3
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    中文EN
    v4.3

      Belong to

      • Expression: <value> IN <list>
      • Left operand: string, number, time, list, point, NODE, EDGE
      • Right operand: list

      Constant

      Example: Judge whether 2 belongs to [1,2,3]

      return 2 in [1,2,3]
      

      1
      

      Function

      Example: Judge whether 2 belongs to the intersection of [1,2,3] and [3,2,5]

      return 2 in intersection([1,2,3], [3,2,5])
      

      1
      

      Alias

      Example: Judge each row of an alias whether it belongs to [0,1,3]

      uncollect [1,2,3,2,2] as a
      return a in [0,1,3]
      

      1
      0
      1
      0
      0
      

      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"}])
      

      Property

      Example: Find nodes whose age belongs to [20,25,30,35]

      find().nodes({age in [20,25,30,35]}) as n
      return n{*} 
      

      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S002  |   4   |  20   | test@w3.org     |
      | S003  |   5   |  25   | test@gmail.com  |
      

      Example: Find nodes of @professor, whose age belongs to [20,25,30,35]

      find().nodes({@professor.age in [20,25,30,35]}) as n
      return n{*} 
      

      No return data
      

      _uuid (Abbreviated)

      When a filter only judges whether the _uuid of the current node/edge belongs to a list of integers, the filter can be abbreviated as below:

      Standard Form
      Abbreviated Form
      Specification
      ({ _uuid in [1,2,3]}) ([1,2,3])
      ({ _uuid in intList}) (intList) intList is the alias of an interger list
      ({ _uuid in [node1._uuid, node2._uuid, ...]}) (nodeList) nodeList is the alias of [node1, node2, ...]
      ({ _uuid in [edge1._uuid, edge2._uuid, ...]}) (edgeList) edgeList is the alias of [edge1, edge2, ...]

      Example: Find node whose _uuid belongs to [2,3,5]

      find().nodes([2,3,5]) as n
      return n{*} 
      

      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S001  |   3   |  27   | test@yeah.net   |
      | S002  |   4   |  20   | test@w3.org     |
      | S003  |   5   |  25   | test@gmail.com  |
      
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