uranusjr commented on code in PR #64571:
URL: https://github.com/apache/airflow/pull/64571#discussion_r3339800706
##########
airflow-core/docs/authoring-and-scheduling/assets.rst:
##########
@@ -638,6 +638,87 @@ including ``partition_key`` in the request body):
"partition_key": "us|2026-03-10T09:00:00"
}'
+Rollup mappers
+~~~~~~~~~~~~~~
+
+.. versionadded:: 3.3.0
+
+The mappers shown above match upstream keys to a single downstream key
one-for-one.
+For a coarser downstream period made up of many upstream events — an hourly
upstream
+that drives a daily summary, daily inputs that compose a weekly report — use
+``RollupMapper``. ``RollupMapper`` composes an upstream mapper (which
normalizes each
Review Comment:
Can be a separate PR—this and other class names should link to API
documentation (``:class:`~airflow...` references)
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
