allow optional tablemetadata

dbt-labs · May 29, 2024 · 012195f · 012195f
1 parent e4524f3
commit 012195f
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/dbt/adapters/base/impl.py b/dbt/adapters/base/impl.py
@@ -630,7 +630,9 @@ def get_columns_in_relation(self, relation: BaseRelation) -> List[BaseColumn]:
         raise NotImplementedError("`get_columns_in_relation` is not implemented for this adapter!")
 
     @abc.abstractmethod
-    def get_relation_metadata(self, relation: BaseRelation) -> Tuple[TableMetadata, StatsDict]:
+    def get_relation_metadata(
+        self, relation: BaseRelation
+    ) -> Tuple[Optional[TableMetadata], StatsDict]:
         """Get metadata about a relation's materialization (e.g., materialization type, size, number of rows)."""
         raise NotImplementedError("`get_relation_metadata` is not implemented for this adapter!")
 

diff --git a/dbt/adapters/sql/impl.py b/dbt/adapters/sql/impl.py
@@ -161,7 +161,9 @@ def get_columns_in_relation(self, relation):
             GET_COLUMNS_IN_RELATION_MACRO_NAME, kwargs={"relation": relation}
         )
 
-    def get_relation_metadata(self, relation: BaseRelation) -> Tuple[TableMetadata, StatsDict]:
+    def get_relation_metadata(
+        self, relation: BaseRelation
+    ) -> Tuple[Optional[TableMetadata], StatsDict]:
         return self.execute_macro(GET_RELATION_METADATA_NAME, kwargs={"relation": relation})
 
     def create_schema(self, relation: BaseRelation) -> None: