model and schema

models/reporting/xero/schema.yaml

@@ -1087,3 +1087,22 @@ models:
           The transaction currency is defined at the Bank Transaction level, and
           the values you see in this field should always be the same as the 
           currency of the Bank Transaction this line item belongs to.
+  - name: xero__bank_transaction_denom_mart.sql
+    description: |
+      This model is a denormalized mart, which only exists for presentation 
+      purposes in a PBI report.
+
+      The data is the same that lives in `xero__bank_transaction_line_items`,
+      `xero__bank_transactions` and `xero__contacts`.
+
+      The granularity is at line item level, so be careful when doing 
+      aggregations. Most aggregations on data on the transaction or contact 
+      level will be wrong due to duplicates.
+
+    columns:
+      - name: id_line_item
+        data_type: text
+        description: Xero's unique identifier for the line item.
+        tests:
+          - not_null
+          - unique