_tickit__sources_snippet.yml

      - name: user
        description: dimension table - TICKIT users
        columns:
          - name: userid
            data_type: int
            description: primary key
            tests:
              - unique
              - not_null
          - name: username
            data_type: char(8)
            tests:
              - unique
              - not_null       
          - name: firstname
            data_type: varchar(30)
            tests:
              - not_null