How to delete Scalar Array values with User Defined Function

Low-code
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#1

In the previous posts, we have seen parsing JSON and XML values using User Defined Function.

Let’s check how to delete Scalar Array values with User Defined Function.

Example

  • Use deleteScalars function as a Groovy function to delete data in a scalar array.
  • Suppose we have following data type with yearlyMarks field as scalar array.
type StudentInformation {
    name : String
    dob: DateTime
    address: Address
    standard: String
    division: String
    contact: Int
    yearlyMarks: [Float]
}
  • deleteStudentMarks function below deletes the given marks from the scalar array (yearlyMarks).
type Mutation {
      deleteStudentMarks( type: HypiMutationType! field: String! values: [String!]! arcql: String! ): Int!
  @tan(type:Groovy, inline: """return deleteScalars(type, field, values, arcql)""")
}

Let’s execute the function!

mutation{
  deleteStudentMarks(
    type:StudentInformation,
    field:"yearlyMarks",
    values:["90.0","89.1"],
    arcql:"hypi.id ='01FRQBPHEN0GWXDTDAQ7WSTAC1'"
  )
}
#result
{
  "data": {
    "deleteStudentMarks": 2
  }
}