fix for list of timestamps

Author: rpiazza

stix2/datastore/relational_db/relational_db_testing.py

@@ -249,6 +249,10 @@ def test_hex_list():
                     ],
                 ),
             ),
+            (
+                "list_of_timestamps",
+                stix2.properties.ListProperty(stix2.properties.TimestampProperty()),
+            ),
         ],
         "extension-definition--15de9cdb-1234-4271-8479-8141154c5647",
         is_sdo=True,
@@ -260,6 +264,7 @@ class Test3Class:
 def test_dictionary():
     return Test3Class(
         prop_name={"a": 1, "b": 2.3, "c": "foo"},
+        list_of_timestamps={ "2016-05-12T08:17:27.000Z", "2024-05-12T08:17:27.000Z"}
     )
 
 

stix2/datastore/relational_db/table_creation.py

@@ -654,7 +654,7 @@ def generate_table_information(self, name, db_backend, metadata, schema_name, ta
     elif ((
         isinstance(
             self.contained,
-            (BinaryProperty, BooleanProperty, StringProperty, IntegerProperty, FloatProperty, HexProperty),
+            (BinaryProperty, BooleanProperty, StringProperty, IntegerProperty, FloatProperty, HexProperty, TimestampProperty),
         ) and
         not db_backend.array_allowed()
     ) or