- name: revenue_by_channel
  display_name: Revenue by Channel
  category: revenue
  type: sum
  unit: USD
  grain: monthly
  time_column: order_date
  table: orders
  expression: "SUM(total_amount) GROUP BY channel"
  description: "Revenue breakdown by sales channel (web, mobile, in-store, marketplace). Identifies highest-performing channels and guides marketing spend allocation."
  dimensions:
    - channel
    - region
    - product_category
  notes:
    - "Channel is assigned at order creation and does not change"
    - "Marketplace channel includes all third-party platforms (Amazon, eBay, etc.)"
    - "Cross-channel attribution is not applied; each order is counted once"
  synonyms:
    - channel_revenue
    - sales_by_channel
  sql: |
    SELECT
        DATE_TRUNC('month', order_date) AS month,
        channel,
        SUM(total_amount) AS revenue,
        COUNT(*) AS order_count
    FROM orders
    WHERE status = 'completed'
    GROUP BY 1, 2
    ORDER BY 1, 3 DESC
  sql_by_region: |
    SELECT
        DATE_TRUNC('month', order_date) AS month,
        channel,
        region,
        SUM(total_amount) AS revenue
    FROM orders
    WHERE status = 'completed'
    GROUP BY 1, 2, 3
    ORDER BY 1, 4 DESC