Fix: add physicalName for properties

Author: simonharrer

CHANGELOG.md

@@ -6,6 +6,10 @@ image: "https://raw.githubusercontent.com/bitol-io/artwork/main/horizontal/color
 
 This document tracks the history and evolution of the **Open Data Contract Standard**.
 
+# v3.0.2
+
+* Added field `physicalName` for the properties in JSON schema.
+
 # v3.0.1 - 2024-12-22 - APPROVED
 
 * Added field `authoritativeDefinitions` into JSON schema

docs/examples/all/full-example.odcs.yaml

@@ -32,6 +32,7 @@ schema:
   - name: tbl
     physicalName: tbl_1
     physicalType: table
+    businessName: Core Payment Metrics
     description: Provides core payment metrics
     authoritativeDefinitions:
       - url: https://catalog.data.gov/dataset/air-quality
@@ -41,7 +42,8 @@ schema:
     tags: [ 'finance', 'payments']
     dataGranularityDescription: Aggregation on columns txn_ref_dt, pmt_txn_id
     properties:
-      - name: txn_ref_dt
+      - name: transaction_reference_date
+        physicalName: txn_ref_dt
         primaryKey: false
         primaryKeyPosition: -1
         businessName: transaction reference date

schema/odcs-json-schema-v3.0.2.json

@@ -1555,6 +1555,11 @@
           "type": "string",
           "description": "The physical element data type in the data source. For example, VARCHAR(2), DOUBLE, INT."
         },
+        "physicalName": {
+          "type": "string",
+          "description": "Physical name.",
+          "examples": ["col_str_a"]
+        },
         "required": {
           "type": "boolean",
           "default": false,