NilsJPWerner opened a new pull request, #56373:
URL: https://github.com/apache/airflow/pull/56373
In Airflow 3.x, commit 035060d7f3 (PR #46616) changed the trigger_dag module
to use DagRun.generate_run_id() instead of
dag.timetable.generate_run_id() for manual DAG runs. This bypassed custom
timetable logic, causing a regression from Airflow 2.x behavior.
This commit restores the use of dag.timetable.generate_run_id() for manual
triggers, allowing custom timetables to control run_id generation for both
scheduled and manually triggered runs.
Changes:
- airflow/api/common/trigger_dag.py: Changed to call
dag.timetable.generate_run_id() with run_after and data_interval parameters
instead of DagRun.generate_run_id()
- tests/api_fastapi/core_api/routes/public/test_dag_run.py: Added test to
verify custom timetable generate_run_id is called for manual triggers with both
logical_date provided and null
This pattern matches how manual triggers are handled in other parts of the
codebase (e.g., assets.py, scheduler_job_runner.py).
Fixes: #55908
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