Member Junction
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    select — pick a set of columns from upstream output into the feature set.

    interface SelectFeatureStep {
        Columns: string[];
        Id: string;
        Inputs?: string[];
        Kind: "select";
        Label?: string;
    }

    Hierarchy (View Summary)

    Index

    Properties

    Columns: string[]

    Columns to carry forward.

    Id: string

    Stable id for this step, referenced by downstream steps' Inputs.

    Inputs?: string[]

    Ids of upstream steps that feed this step (DAG edges).

    Kind: "select"

    Discriminator selecting the concrete step variant.

    Label?: string

    Optional human-readable label for the visual DAG.