Fix: Support overriding of the quoting policy for dbt sources (#4701)

Author: izeigerman

sqlmesh/dbt/manifest.py

@@ -168,9 +168,11 @@ def _load_sources(self) -> None:
             )
 
             source_config = SourceConfig(
-                **source_config_dict,
-                **source_dict,
-                freshness=freshness.to_dict() if freshness else None,
+                **{
+                    **source_dict,
+                    **source_config_dict,
+                    "freshness": freshness.to_dict() if freshness else None,
+                }
             )
             self._sources_per_package[source.package_name][source_config.config_name] = (
                 source_config

tests/dbt/test_manifest.py

@@ -115,6 +115,8 @@ def test_manifest_helper(caplog):
     assert sources["streaming.order_items"].table_name == "order_items"
     assert sources["streaming.order_items"].schema_ == "raw"
 
+    assert all(s.quoting["identifier"] is False for s in sources.values())
+
     assert sources["streaming.order_items"].freshness == {
         "warn_after": {"count": 10 if DBT_VERSION < (1, 9, 5) else 12, "period": "hour"},
         "error_after": {"count": 11 if DBT_VERSION < (1, 9, 5) else 13, "period": "hour"},

tests/fixtures/dbt/sushi_test/dbt_project.yml

@@ -35,6 +35,10 @@ seeds:
     +post-hook:
       - '{{ log("post-hook") }}'
 
+sources:
+  +quoting:
+    identifier: false
+
 vars:
   top_waiters:limit: 10
   'top_waiters:revenue': "revenue"