fix: Add __eq__, __hash__ to SparkSource for comparision

Signed-off-by: tanlocnguyen <tanlocnguyen296@gmail.com>

sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py

@@ -185,6 +185,22 @@ def get_table_query_string(self) -> str:
 
         return f"`{tmp_table_name}`"
 
+    def __eq__(self, other):
+        base_eq=super().__eq__(other=other)
+        if not base_eq:
+            return False
+        if self.table != other.table:
+            return False
+        if self.query != other.query:
+            return False
+        if self.path != other.path:
+            return False
+
+        return True
+
+    def __hash__(self):
+        return super().__hash__()
+
 
 class SparkOptions:
     allowed_formats = [format.value for format in SparkSourceFormat]