在 Looker 中使用自訂日曆

view: fiscal_calendar {
  sql_table_name: fiscal_calendar_table ;;
  calendar_definition: {
    reference_date: reference_date
    timeframe_mapping: {
      custom_year: fiscal_year
      custom_quarter: fiscal_quarter_of_year
      custom_date: fiscal_date
      custom_week: fiscal_week_of_year
      custom_period: fiscal_period_of_year
      custom_season: season
    }
    timeframe_ordinal_mapping: {
      custom_year: fiscal_year_num
      custom_quarter: fiscal_quarter_of_year_num
      custom_date: fiscal_date_num
      custom_week: fiscal_week_of_year_num
      custom_period: fiscal_period_of_year_num
      custom_season: season_num
    }
  }

  dimension: reference_date {
    type: date
    primary_key: yes
    sql: ${TABLE}.reference_date ;; # Assuming column name is reference_date
  }

  dimension: fiscal_date {
  type: string
  sql: FORMAT_TIMESTAMP('%Y-%m-%d', ${TABLE}.reference_date) ;;
}

  dimension: fiscal_year {
    type: string
    sql: ${TABLE}.fiscal_year ;;
  }

  dimension: fiscal_year_num {
    type: number
    sql: ${TABLE}.fiscal_year_num ;;
  }

  # ... other dimensions for quarters, weeks, periods, seasons, etc. ...

  # Example placeholder dimensions for unused timeframes
  dimension: season {
    type: string
    sql: 'N/A' ;;
    hidden: yes
  }
  dimension: season_num {
    type: number
    sql: 0 ;;
    hidden: yes
  }
}

include: "/views/fiscal_calendar.view"

view: orders {
  sql_table_name: public.orders ;;

  dimension_group: created {
    type: custom_calendar

    # Optional list of allowed timeframes
    custom_timeframes: [
      custom_date,
      custom_week,
      custom_year
    ]
    sql: ${TABLE}.created_at ;;
    based_on_calendar: fiscal_calendar  # This links to your calendar view
  }
}