text: {% macro hash_of_column(column) %}
  
      SHA2(
          TRIM(
              LOWER(
                  CAST({{ column|lower }} AS {{ dbt_utils.type_string() }})
                  || '{{ get_salt(column|lower) }}'
              )
          ),
          256
      ) AS {{column|lower}}_hash,
  
  {% endmacro %}
  