make is_volume_operation strict bool

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/backend/sea/models/base.py

@@ -92,4 +92,4 @@ class ResultManifest:
     truncated: bool = False
     chunks: Optional[List[ChunkInfo]] = None
     result_compression: Optional[str] = None
-    is_volume_operation: Optional[bool] = None
+    is_volume_operation: bool = False

src/databricks/sql/backend/sea/models/responses.py

@@ -65,7 +65,7 @@ def _parse_manifest(data: Dict[str, Any]) -> ResultManifest:
         truncated=manifest_data.get("truncated", False),
         chunks=chunks,
         result_compression=manifest_data.get("result_compression"),
-        is_volume_operation=manifest_data.get("is_volume_operation"),
+        is_volume_operation=manifest_data.get("is_volume_operation", False),
     )