Fix for unrendered source column descriptions

core/dbt/parser/util.py

@@ -161,6 +161,11 @@ def process_docs_for_source(cls, manifest, current_project, source):
  source.set('description', table_description)
  source.set('source_description', source_description)
 
+ for column_name, column_def in source.columns.items():
+ column_desc = column_def.get('description', '')
+ column_desc = dbt.clients.jinja.get_rendered(column_desc, context)
+ column_def['description'] = column_desc
+
  @classmethod
  def process_docs(cls, manifest, current_project):
  for node in manifest.nodes.values():

test/integration/029_docs_generate_tests/ref_models/docs.md

@@ -21,3 +21,7 @@ My source
 {% docs table_info %}
 My table
 {% enddocs %}
+
+{% docs column_info %}
+An ID field
+{% enddocs %}

test/integration/029_docs_generate_tests/ref_models/schema.yml

@@ -28,4 +28,4 @@ sources:
  identifier: True
  columns:
  - name: id
- description: "An ID field"
+ description: "{{ doc('column_info') }}"

test/integration/029_docs_generate_tests/test_docs_generate.py

@@ -1266,6 +1266,11 @@ def expected_postgres_references_manifest(self, model_database=None):
  'database': self.default_database,
  'description': 'My table',
  'docrefs': [
+ {
+ "documentation_package": "",
+ "documentation_name": "column_info",
+ "column_name": "id",
+ },
  {
  'documentation_name': 'table_info',
  'documentation_package': ''
@@ -1294,6 +1299,17 @@ def expected_postgres_references_manifest(self, model_database=None):
  },
  'docs': {
  'dbt.__overview__': ANY,
+ "test.column_info": {
+ "block_contents": "An ID field",
+ "file_contents": docs_file,
+ "name": "column_info",
+ "original_file_path": docs_path,
+ "package_name": "test",
+ "path": "docs.md",
+ "resource_type": "docs",
+ "root_path": OneOf(self.test_root_dir, self.initial_dir),
+ "unique_id": "test.column_info",
+ },
  'test.ephemeral_summary': {
  'block_contents': (
  'A summmary table of the ephemeral copy of the seed data'