Merge pull request #10 from dbt-labs/sdurry/add-sl-spec

add sl

Author: sdurry

example/03_semantic_layer/models/marts/dim_customers.yml

@@ -3,24 +3,42 @@ version: 2
 models:
   - name: dim_customers
     description: Customer dimension with one row per customer, including customer attributes, first and most recent order dates, lifetime order count, and lifetime value.
+    semantic_model:
+      enabled: true
+
+    agg_time_dimension: first_order_date
+
     columns:
       - name: customer_id
         description: Eindeutiger Primärschlüssel des Kunden.
+        entity:
+          name: customer
+          type: primary
         data_tests:
           - not_null
           - unique
 
       - name: first_name
         description: Vorname des Kunden.
+        dimension:
+          type: categorical
 
       - name: last_name
         description: Nachname des Kunden.
+        dimension:
+          type: categorical
 
       - name: first_order_date
         description: Datum der ersten Bestellung des Kunden.
+        granularity: day
+        dimension:
+          type: time
 
       - name: most_recent_order_date
         description: Datum der letzten Bestellung des Kunden.
+        granularity: day
+        dimension:
+          type: time
 
       - name: number_of_orders
         description: Gesamtzahl der Bestellungen des Kunden.
@@ -29,3 +47,22 @@ models:
 
       - name: lifetime_value
         description: Kumulierte Umsatzsumme des Kunden über alle Bestellungen.
+
+    metrics:
+      - name: customers
+        description: Count of customers.
+        type: simple
+        agg: count
+        expr: 1
+
+      - name: customer_lifetime_orders
+        description: Sum of customer lifetime order counts.
+        type: simple
+        agg: sum
+        expr: number_of_orders
+
+      - name: customer_lifetime_value
+        description: Sum of customer lifetime value in USD.
+        type: simple
+        agg: sum
+        expr: lifetime_value

example/03_semantic_layer/models/marts/fct_orders.yml

@@ -3,20 +3,35 @@ version: 2
 models:
   - name: fct_orders
     description: Fact table with one row per order, including the customer, order date, and successful payment amount.
+    semantic_model:
+      enabled: true
+
+    agg_time_dimension: order_date
+
     columns:
       - name: order_id
         description: Eindeutiger Primärschlüssel der Bestellung.
+        entity:
+          name: order_id
+
+          type: primary
         data_tests:
           - not_null
           - unique
 
       - name: customer_id
         description: Fremdschlüssel zum Kunden der Bestellung.
+        entity:
+          name: customer
+          type: foreign
         data_tests:
           - not_null
 
       - name: order_date
         description: Datum, an dem die Bestellung aufgegeben wurde.
+        granularity: day
+        dimension:
+          type: time
         data_tests:
           - not_null
 
@@ -30,8 +45,42 @@ models:
                 max_value: 20
                 strictly: true # (Optional. Default is 'false'. Adds an 'or equal to' to the comparison operator for min/max)
 
-
       - name: fail_amount_usd
-        description: Nicht erfolgreich bezahlter Betrag der Bestellung in US-Dollar.
+        description: Fehlgeschlagener Zahlungsbetrag der Bestellung in US-Dollar.
         data_tests:
           - not_null
+
+    metrics:
+      - name: orders
+        description: Count of orders.
+        type: simple
+        agg: count
+        expr: 1
+
+      - name: order_revenue
+        description: Sum of successful order payment amounts in USD.
+        type: simple
+        agg: sum
+        expr: success_amount_usd
+
+      - name: failed_order_amount
+        description: Sum of failed payment amounts in USD.
+        type: simple
+        agg: sum
+        expr: fail_amount_usd
+
+      - name: order_revenue_per_customer
+        description: "the order revenue generated on average by each customer"
+        label: Revenue per customer
+        type: ratio
+        numerator: order_revenue
+        denominator: customers
+
+      - name: failed_revenue_pct
+        description: Percentage of revenue missed out on failed payments
+        label: failed_revenue_pct
+        type: derived
+        expr: failed_order_amount / order_revenue
+        input_metrics:
+          - name: failed_order_amount
+          - name: order_revenue