Fix dbt incremental_strategy behavior by fixing schema table existing…

… check (#530)

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Added python model specific connection handling to prevent using invalid sessions ([547](https://github.com/databricks/dbt-databricks/pull/547)) 
 - Allow schema to be specified in testing (thanks @case-k-git!) ([538](https://github.com/databricks/dbt-databricks/pull/538))
+- Fix dbt incremental_strategy behavior by fixing schema table existing check (thanks @case-k-git!) ([530](https://github.com/databricks/dbt-databricks/pull/530))
 
 ## dbt-databricks 1.7.3 (Dec 12, 2023)
 

dbt/adapters/databricks/connections.py

@@ -1238,15 +1238,15 @@ def _execute_cursor(
     def list_schemas(self, database: str, schema: Optional[str] = None) -> Table:
         database = database.strip("`")
         if schema:
-            schema = schema.strip("`")
+            schema = schema.strip("`").lower()
         return self._execute_cursor(
             f"GetSchemas(database={database}, schema={schema})",
             lambda cursor: cursor.schemas(catalog_name=database, schema_name=schema),
         )
 
     def list_tables(self, database: str, schema: str, identifier: Optional[str] = None) -> Table:
         database = database.strip("`")
-        schema = schema.strip("`")
+        schema = schema.strip("`").lower()
         if identifier:
             identifier = identifier.strip("`")
         return self._execute_cursor(

tests/integration/incremental_strategies/test_incremental_strategies.py

@@ -4,7 +4,7 @@
 class TestIncrementalStrategies(DBTIntegrationTest):
     @property
     def schema(self):
-        return "incremental_strategies"
+        return "Incremental_strategies"
 
     @property
     def project_config(self):