TransformColumns

vegafusion_core::spec::transform

Enum TransformColumns 

Source 
pub enum TransformColumns {
    PassThrough {
        usage: DatasetsColumnUsage,
        produced: ColumnUsage,
    },
    Overwrite {
        usage: DatasetsColumnUsage,
        produced: ColumnUsage,
    },
    Unknown,
}

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PassThrough

Transforms that pass through existing columns and produce zero or more new columns

Fields

§usage: DatasetsColumnUsage
§produced: ColumnUsage
§

Overwrite

Transforms that overwrite all input columns, leaving only those produced by the transform

Fields

§usage: DatasetsColumnUsage
§produced: ColumnUsage
§

Unknown

Transforms with unknown usage and/or production of columns

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