Ensure meta is both at node top level and in node.config. Fix snapshots with schema config.

CHANGELOG.md

@@ -1,5 +1,10 @@
 ## dbt-core 1.1.0 (TBD)
 
+## dbt-core 1.0.3 (TBD)
+
+### Fixes
+- Fix bug causing empty node level meta, snapshot config errors ([#4459](https://github.com/dbt-labs/dbt-core/issues/4459), [#4726](https://github.com/dbt-labs/dbt-core/pull/4726))
+
 ### Features
 - Added Support for Semantic Versioning ([#4644](https://github.com/dbt-labs/dbt-core/pull/4644))
 - New Dockerfile to support specific db adapters and platforms.  See docker/README.md for details ([#4495](https://github.com/dbt-labs/dbt-core/issues/4495), [#4487](https://github.com/dbt-labs/dbt-core/pull/4487))

core/dbt/contracts/graph/parsed.py

@@ -157,7 +157,6 @@ def patch(self, patch: "ParsedNodePatch"):
         self.created_at = time.time()
         self.description = patch.description
         self.columns = patch.columns
-        self.meta = patch.meta
         self.docs = patch.docs
 
     def get_materialization(self):

core/dbt/parser/snapshots.py

@@ -55,8 +55,14 @@ def get_fqn(self, path: str, name: str) -> List[str]:
 
     def transform(self, node: IntermediateSnapshotNode) -> ParsedSnapshotNode:
         try:
+            # The config_call_dict is not serialized, because normally
+            # it is not needed after parsing. But since the snapshot node
+            # does this extra to_dict, save and restore it, to keep
+            # the model config when there is also schema config.
+            config_call_dict = node.config_call_dict
             dct = node.to_dict(omit_none=True)
             parsed_node = ParsedSnapshotNode.from_dict(dct)
+            parsed_node.config_call_dict = config_call_dict
             self.set_snapshot_attributes(parsed_node)
             return parsed_node
         except ValidationError as exc:

test/integration/004_simple_snapshot_tests/models/schema.yml

@@ -3,3 +3,6 @@ snapshots:
   - name: snapshot_actual
     tests:
       - mutually_exclusive_ranges
+    config:
+      meta:
+        owner: 'a_owner'

test/integration/039_config_tests/test_configs_in_schema_files.py

@@ -65,6 +65,9 @@ def test_postgres_config_layering(self):
         manifest = get_manifest()
         model_id = 'model.test.model'
         model_node = manifest.nodes[model_id]
+        meta_expected = {'company': 'NuMade', 'project': 'test', 'team': 'Core Team', 'owner': 'Julie Smith', 'my_attr': 'TESTING'}
+        self.assertEqual(model_node.meta, meta_expected)
+        self.assertEqual(model_node.config.meta, meta_expected)
         model_tags = ['tag_1_in_model', 'tag_2_in_model', 'tag_in_project', 'tag_in_schema']
         model_node_tags = model_node.tags.copy()
         model_node_tags.sort()