feluelle commented on a change in pull request #5530: [AIRFLOW-1740] Fix xcom
creation and update via UI
URL: https://github.com/apache/airflow/pull/5530#discussion_r302027682
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File path: airflow/www/views.py
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@@ -2685,6 +2685,9 @@ class XComView(wwwutils.SuperUserMixin,
AirflowModelView):
filter_converter = wwwutils.UtcFilterConverter()
form_overrides = dict(execution_date=DateTimeField)
+ def on_model_change(self, form, model, is_created):
+ XCom.set(**form.data)
Review comment:
> But this will end up storing two records - one that we create here, and
another from
https://github.com/flask-admin/flask-admin/blob/8341a9ceae6e9206cb6b91a3b896ed02faaafccc/flask_admin/contrib/sqla/view.py#L1129-L1132
No, there will actually only be one entry in the table because of `# remove
any duplicate XComs` section in `XCom.set`.
> The "correct" fix is probably to make the `value` accessors on XCom
transparently handle the (de)serialization.
I don't know how this can be done. So for now I just copied the block for
the string to byte conversion to the `on_model_change`. It might not be the
best solution but this at least does not
* creates a session
* removes any duplicate XComs
* insert new XCom
(what `XCom.set(**form.data)` did)
@ashb PTAL
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