commit changes

Author: Keith Fajardo

models/metrics/customers_metrics.yml

@@ -0,0 +1,53 @@
+semantic_models:
+
+  - name: customers
+    defaults:
+      agg_time_dimension: most_recent_order_date
+    description: |
+      semantic model for dim_customers
+
+    model: ref('dim_customers')
+
+    entities:
+      - name: customer
+        expr: customer_id
+        type: primary
+
+    dimensions:
+      - name: customer_name
+        type: categorical
+        expr: first_name
+
+      - name: first_order_date
+        type: time
+        type_params:
+          time_granularity: day
+
+      - name: most_recent_order_date
+        type: time
+        type_params:
+          time_granularity: day
+
+    measures:
+      - name: count_lifetime_orders
+        description: Total count of orders per customer.
+        agg: sum
+        expr: number_of_orders
+
+      - name: lifetime_spend
+        agg: sum
+        expr: lifetime_value
+        description: Gross customer lifetime spend inclusive of taxes.
+        
+      - name: customers
+        expr: customer_id
+        agg: count_distinct
+
+metrics:
+  - name: "customers_with_orders"
+    label: "customers_with_orders"
+    description: "Unique count of customers placing orders"
+    type: simple
+    type_params:
+      measure:
+        name: customers

models/metrics/dim_customers.yml

@@ -0,0 +1,45 @@
+semantic_models:
+
+  - name: orders
+    defaults:
+      agg_time_dimension: order_date
+    description: |
+      Order fact table. This table's grain is one row per order.
+    model: ref('fact_orders')
+
+    entities: 
+      - name: order_id
+        type: primary
+
+      - name: customer
+        expr: customer_id
+        type: foreign
+
+    dimensions:   
+      - name: order_date
+        type: time
+        type_params:
+          time_granularity: day
+
+    measures:   
+      - name: order_total
+        description: The total amount for each order including taxes.
+        agg: sum
+        expr: amount
+
+      - name: order_count
+        expr: 1
+        agg: sum
+
+      - name: customers_with_orders
+        description: Distinct count of customers placing orders
+        agg: count_distinct
+        expr: customer_id
+
+      - name: order_value_p99 ## The 99th percentile order value
+        expr: amount
+        agg: percentile
+        agg_params:
+          percentile: 0.99
+          use_discrete_percentile: True
+          use_approximate_percentile: False

models/metrics/fact_orders.yml

@@ -0,0 +1,56 @@
+metrics: 
+  # Simple type metrics
+  - name: "order_total"
+    description: "Sum of orders value"
+    type: simple
+    label: "order_total"
+    type_params:
+      measure:
+        name: order_total
+
+  - name: "order_count"
+    description: "number of orders"
+    type: simple
+    label: "order_count"
+    type_params:
+      measure:
+        name: order_count
+
+  - name: large_orders
+    description: "Count of orders with order total over 20."
+    type: simple
+    label: "Large Orders"
+    type_params:
+      measure:
+        name: order_count
+    filter: |
+      {{ Metric('order_total', group_by=['order_id']) }} >=  20
+
+  # Ratio type metric
+  - name: "avg_order_value"
+    label: "avg_order_value"
+    description: "average value of each order"
+    type: ratio
+    type_params:
+      numerator: order_total
+      denominator: order_count
+      
+  # Cumulative type metrics
+  - name: "cumulative_order_amount_mtd"
+    label: "cumulative_order_amount_mtd"
+    description: "The month to date value of all orders"
+    type: cumulative
+    type_params:
+      measure:
+        name: order_total
+      grain_to_date: month
+  # Derived metric
+  - name: "pct_of_orders_that_are_large"
+    label: "pct_of_orders_that_are_large"
+    description: "percent of orders that are large"
+    type: derived
+    type_params:
+      expr: large_orders/order_count
+      metrics:
+        - name: large_orders
+        - name: order_count

models/metrics/orders_metrics.yml

@@ -1,3 +1,10 @@
+{{
+    config(
+        materialized='table',
+        tags=["semantic_layer_demo"]
+    )
+}}
+
 with customers as (
    select * from {{ ref('stg_jaffle_shop__customers')}}
 ),