Return 422 for empty backfill window and stop leaving orphan rows - #68883

Return 422 for empty backfill window and stop leaving orphan rows#68883

Lee-W merged 2 commits into

apache:mainapache/airflow:mainfrom

astronomer:backfill-empty-window-uxastronomer/airflow:backfill-empty-window-uxCopy head branch name to clipboard