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v5.0
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    English
    v5.0

      Between or Equal

      • Expression: <value> <=> [<lower>, <upper>]
      • Operand: string, number, time

      Constant

      Example: Judge whether "abc" is in the closed interval ["123", "abc"]

      return "abc" <=> ["123", "abc"]
      

      1
      

      Function

      Example: Judge whether PI is in the closed interval [3.14, 3.15]

      with [3.14, 3.15] as a
      return pi() <=> [a[0], a[1]]
      

      1
      

      Alias

      Example: Judge each row of an alias whether it is in the closed interval [2, 4]

      uncollect [1,2,3,2,2] as a
      return a <=> [2, 4]
      

      0
      1
      1
      1
      1
      

      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:"[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]"}])
      

      Property

      Example: Find nodes whose age is in the closed interval [25, 35]

      find().nodes({age <=> [25, 35]}) as n
      return n{*} 
      

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

      Example: Find nodes of @professor, whose age is in the closed interval [25, 35]

      find().nodes({@professor.age <=> [25, 35]}) as n
      return n{*} 
      

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