feat: Add duckdb offline store

Makefile

@@ -186,6 +186,19 @@ test-python-universal-athena:
 			not test_snowflake" \
 	sdk/python/tests
 
+test-python-universal-duckdb:
+	PYTHONPATH='.' \
+	FULL_REPO_CONFIGS_MODULE=sdk.python.feast.infra.offline_stores.contrib.duckdb_repo_configuration \
+	FEAST_USAGE=False IS_TEST=True \
+	python -m pytest -n 8 --integration \
+		-k "not test_nullable_online_store and \
+			not gcs_registry and \
+			not s3_registry and \
+			not test_snowflake and \
+			not bigquery and \
+			not test_spark_materialization_consistency" \
+		sdk/python/tests
+
 test-python-universal-postgres-offline:
 	PYTHONPATH='.' \
 		FULL_REPO_CONFIGS_MODULE=sdk.python.feast.infra.offline_stores.contrib.postgres_repo_configuration \

sdk/python/feast/infra/offline_stores/contrib/duckdb_offline_store/duckdb.py

@@ -0,0 +1,17 @@
+import ibis
+from pydantic import StrictStr
+
+from feast.infra.offline_stores.contrib.ibis_offline_store.ibis import IbisOfflineStore
+from feast.repo_config import FeastConfigBaseModel
+
+
+class DuckDBOfflineStoreConfig(FeastConfigBaseModel):
+    type: StrictStr = "duckdb"
+    # """ Offline store type selector"""
+
+
+class DuckDBOfflineStore(IbisOfflineStore):
+    @staticmethod
+    def setup_ibis_backend():
+        # there's no need to call setup as duckdb is default ibis backend
+        ibis.set_backend("duckdb")

sdk/python/feast/infra/offline_stores/contrib/duckdb_repo_configuration.py

@@ -0,0 +1,19 @@
+from feast.infra.offline_stores.contrib.duckdb_offline_store.duckdb import (
+    DuckDBOfflineStoreConfig,
+)
+from tests.integration.feature_repos.universal.data_sources.file import (  # noqa: E402
+    FileDataSourceCreator,
+)
+
+
+class DuckDBDataSourceCreator(FileDataSourceCreator):
+    def create_offline_store_config(self):
+        self.duckdb_offline_store_config = DuckDBOfflineStoreConfig()
+        return self.duckdb_offline_store_config
+
+
+AVAILABLE_OFFLINE_STORES = [
+    ("local", DuckDBDataSourceCreator),
+]
+
+AVAILABLE_ONLINE_STORES = {"sqlite": ({"type": "sqlite"}, None)}