pierrejeambrun commented on issue #46730:
URL: https://github.com/apache/airflow/issues/46730#issuecomment-2659458189
The goal for this is to put the alongside certain fields other related
fields that are useful for the UI.
To achieve that you can leverage `AliasPath`. For instance on
`TaskInstanceResponse`, to add the related `dag_display_name` we can simply add:
```
dag_display_name: str = Field(validation_alias=AliasPath("dag_run",
"dag_model", "dag_display_name"))
```
As mentioned in the issue we should to that for different aliases. Careful
because such AliasPath will access relationship. To evoid emitting 1 extra lazy
query at access time (that would be problematic for `list` endpoint) you can
eagerload those relationships. (`.options(joinedload(...))`)
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