addressing comment, passing lint

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## dbt-databricks 1.7.x (TBD)
 
+### Features
+
+- Added support for getting freshness from metadata ([481](https://github.com/databricks/dbt-databricks/pull/481))
+
 ## dbt-databricks 1.7.0rc1 (October 13, 2023)
 
 ### Fixes

dbt/adapters/databricks/impl.py

@@ -20,7 +20,7 @@
 from agate import Row, Table, Text
 
 from dbt.adapters.base import AdapterConfig, PythonJobHelper
-from dbt.adapters.base.impl import catch_as_completed, FreshnessResponse
+from dbt.adapters.base.impl import catch_as_completed
 from dbt.adapters.base.meta import available
 from dbt.adapters.base.relation import BaseRelation, InformationSchema
 from dbt.adapters.capability import CapabilityDict, CapabilitySupport, Support, Capability

dbt/adapters/databricks/relation.py

@@ -43,7 +43,7 @@ class DatabricksInformationSchema(InformationSchema):
     include_policy: Policy = field(default_factory=lambda: DatabricksIncludePolicy())
     quote_character: str = "`"
 
-    def is_hive_metastore(self):
+    def is_hive_metastore(self) -> bool:
         return self.database is None or self.database == "hive_metastore"
 
 
@@ -126,7 +126,7 @@ def matches(
     def get_relation_type(cls) -> Type[DatabricksRelationType]:
         return DatabricksRelationType
 
-    def information_schema(self, view_name=None) -> InformationSchema:
+    def information_schema(self, view_name: Optional[str] = None) -> InformationSchema:
         # some of our data comes from jinja, where things can be `Undefined`.
         if not isinstance(view_name, str):
             view_name = None

dbt/include/databricks/macros/metadata.sql

@@ -20,8 +20,8 @@
         from {{ information_schema }}.tables
         where (
           {%- for relation in relations -%}
-            (upper(table_schema) = upper('{{ relation.schema }}') and
-             upper(table_name) = upper('{{ relation.identifier }}')){%- if not loop.last %} or {% endif -%}
+            (table_schema = '{{ relation.schema }}' and
+             table_name = '{{ relation.identifier }}'){%- if not loop.last %} or {% endif -%}
           {%- endfor -%}
         )
     {% endif %}