[I] `airflow dags clear`: add `--partition-start` / `--partition-end range` flags [airflow]

["Lee-W (via GitHub)" <gi...@apache.org>]

Lee-W opened a new issue, #65921:
URL: https://github.com/apache/airflow/issues/65921

   ### Body
   
   ### What
   Allow `airflow dags clear` to clear a contiguous range of partitions in one invocation. Today reprocessing N hourly partitions after a schema change means N CLI invocations or clearing one at a time in the UI. Example: `airflow dags clear my_dag --partition-start "2026-03-08T00" --partition-end "2026-03-14T23"` should clear all 168 hourly partitions in that window.
   
   ### Open question
   Range semantics — inclusive both ends, or half-open? How does this work for non-temporal partition keys? How for composite keys (e.g. `us|2026-03-10`)?
   
   ### Related
   #58474
   
   ### Committer
   
   - [x] I acknowledge that I am a maintainer/committer of the Apache Airflow project.


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Re: [I] `airflow dags clear`: add `--partition-start` / `--partition-end range` flags [airflow]

["Lee-W (via GitHub)" <gi...@apache.org>]

Lee-W closed issue #65921: `airflow dags clear`: add `--partition-start` / `--partition-end range` flags
URL: https://github.com/apache/airflow/issues/65921


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