[DAE-145] Change the default values for create table event (#62)

* check the default value for parameter

* check the default value for parameters and partition_keys

* pr changes

Author: kenjihiraoka

hive_metastore_client/builders/serde_info_builder.py

@@ -34,7 +34,7 @@ def __init__(
         """
         self.name = name
         self.serialization_lib = serialization_lib
-        self.parameters = parameters
+        self.parameters = {} if parameters is None else parameters
         self.description = description
         self.serializer_class = serializer_class
         self.deserializer_class = deserializer_class

hive_metastore_client/builders/table_builder.py

@@ -69,8 +69,8 @@ def __init__(
         self.last_access_time = last_access_time
         self.retention = retention
         self.storage_descriptor = storage_descriptor
-        self.partition_keys = partition_keys
-        self.parameters = parameters
+        self.partition_keys = [] if partition_keys is None else partition_keys
+        self.parameters = {} if parameters is None else parameters
         self.view_original_text = view_original_text
         self.view_expanded_text = view_expanded_text
         self.table_type = table_type