data_source:
  name: s2_pv_uv_statis
  sql_query: select imp_date,user_name from s2_pv_uv_statis
  identifiers:
    - name: sys_imp_date
      type: primary
      expr: imp_date
    - name: user_name
      type: primary
  dimensions:
    - name: page
      type: categorical
    - name: sys_imp_date
      type: time
      type_params:
        is_primary: True
        time_granularity: day
  measures:
    - name: uv
      agg: count_distinct
      expr: user_name
      create_metric: True
    - name: pv
      agg: sum
      expr: 1
      create_metric: True