[I] [Feature] Generating changelogs with Python writers for input changelog-producer [paimon]

["junmuz (via GitHub)" <gi...@apache.org>]

junmuz opened a new issue, #7733:
URL: https://github.com/apache/paimon/issues/7733

   ### Search before asking
   
   - [x] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.
   
   
   ### Motivation
   
   Currently the Python write path never produces changelog files. CommitMessage has no changelog field, DataWriter writes only one file, and FileStoreCommit creates snapshots with changelog_manifest_list=None.
   
   ### Solution
   
   Implement INPUT mode only (double-write at flush time). FULL_COMPACTION and LOOKUP require compaction infrastructure that doesn't exist in Python at the moment.
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [x] I'm willing to submit a PR!


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Re: [I] [Feature] Generating changelogs with Python writers for input changelog-producer [paimon]

["junmuz (via GitHub)" <gi...@apache.org>]

junmuz commented on issue #7733:
URL: https://github.com/apache/paimon/issues/7733#issuecomment-4343941552

   The PR for the above issue can be found [here](https://github.com/apache/paimon/pull/7739)


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