fix: Add adapters for sqlite datetime conversion

sdk/python/feast/infra/online_stores/sqlite.py

@@ -17,7 +17,7 @@
 import sqlite3
 import struct
 import sys
-from datetime import datetime
+from datetime import date, datetime
 from pathlib import Path
 from typing import Any, Callable, Dict, List, Literal, Optional, Sequence, Tuple, Union
 
@@ -39,6 +39,46 @@
 from feast.utils import _build_retrieve_online_document_record, to_naive_utc
 
 
+def adapt_date_iso(val: date):
+    """Adapt datetime.date to ISO 8601 date."""
+    return val.isoformat()
+
+
+def adapt_datetime_iso(val: datetime):
+    """Adapt datetime.datetime to timezone-naive ISO 8601 date."""
+    return val.isoformat()
+
+
+def adapt_datetime_epoch(val: datetime):
+    """Adapt datetime.datetime to Unix timestamp."""
+    return int(val.timestamp())
+
+
+sqlite3.register_adapter(date, adapt_date_iso)
+sqlite3.register_adapter(datetime, adapt_datetime_iso)
+sqlite3.register_adapter(datetime, adapt_datetime_epoch)
+
+
+def convert_date(val: bytes):
+    """Convert ISO 8601 date to datetime.date object."""
+    return date.fromisoformat(val.decode())
+
+
+def convert_datetime(val: bytes):
+    """Convert ISO 8601 datetime to datetime.datetime object."""
+    return datetime.fromisoformat(val.decode())
+
+
+def convert_timestamp(val: bytes):
+    """Convert Unix epoch timestamp to datetime.datetime object."""
+    return datetime.fromtimestamp(int(val))
+
+
+sqlite3.register_converter("date", convert_date)
+sqlite3.register_converter("datetime", convert_datetime)
+sqlite3.register_converter("timestamp", convert_timestamp)
+
+
 class SqliteOnlineStoreConfig(FeastConfigBaseModel, VectorStoreConfig):
     """Online store config for local (SQLite-based) store"""
 

sdk/python/pyproject.toml

@@ -6,7 +6,7 @@ select = ["E","F","W","I"]
 ignore = ["E203", "E266", "E501", "E721"]
 
 [tool.ruff.lint.isort]
-known-first-party = ["feast", "feast", "feast_serving_server", "feast_core_server"]
+known-first-party = ["feast", "feast_serving_server", "feast_core_server"]
 default-section = "third-party"
 
 [tool.mypy]

setup.py

@@ -155,7 +155,7 @@
         "build",
         "virtualenv==20.23.0",
         "cryptography>=35.0,<43",
-        "ruff>=0.3.3",
+        "ruff>=0.8.0",
         "mypy-protobuf>=3.1",
         "grpcio-tools>=1.56.2,<2",
         "grpcio-testing>=1.56.2,<2",