text: WITH staging AS (
      {{ dbtvault.stage(include_source_columns=var('include_source_columns', none),
                        source_model=var('source_model', none),
                        hashed_columns=var('hashed_columns', none),
                        derived_columns=var('derived_columns', none)) }}
  )
  
  
  SELECT *,
         '{{ var('load_date') }}' AS LOADDATE
  FROM staging
  