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    API Reference ↗
    Data connectivity & integrationPipeline Builder ExpressionsCreate struct column

    Create struct column

    Supported in: Batch, Streaming

    Combines multiple columns into a single structured column.

    Expression categories: Struct

    Declared arguments

    • Struct elements - List of columns used to create struct.
      List<Expression<AnyType>>

    Output type: Struct

    Examples

    Example 1: Base case

    Argument values:

    • Struct elements: [tail_number, id]
    tail_numberidOutput
    MT-1121{
     id: 1,
     tail_number: MT-112,
    }
    XB-1232{
     id: 2,
     tail_number: XB-123,
    }
    PA-6543{
     id: 3,
     tail_number: PA-654,
    }

    Example 2: Base case

    Argument values:

    • Struct elements: [tail_number, id]
    tail_numberidOutput
    null1{
     id: 1,
     tail_number: null,
    }
    XB-123null{
     id: null,
     tail_number: XB-123,
    }
    nullnull{
     id: null,
     tail_number: null,
    }