[PR] feat(core): port Avro schema comparison and Parquet list normalization [hudi-rs]

["linliu-code (via GitHub)" <gi...@apache.org>]

linliu-code opened a new pull request, #642:
URL: https://github.com/apache/hudi-rs/pull/642

   **Stacked on #639, #640, #641** — their commits appear here until they merge. **Review only the last commit.**
   
   Two schema helpers the merge-on-read reader depends on:
   
   - `schema::avro_schema_utils` — decides whether two Avro schemas are projection-equivalent, so the reader can tell a genuine schema change from a reordering or a narrowing that needs no work.
   - `schema::parquet_list_norm` — normalizes the legacy two-level repeated-group and modern three-level Parquet list encodings, so batches from files written by different engines line up.
   
   Also brings the two parquet fixtures `parquet_list_norm`'s tests read. They are force-added past the `**/data` ignore, the same way the existing fixtures under `crates/test/data` are tracked.
   
   Unlike the `reader_v2` modules these are `pub` under `schema`, matching their upstream placement — nothing calls them yet. Full workspace suite green.
   
   🤖 Generated with [Claude Code](https://claude.com/claude-code)


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Re: [PR] feat(core): port Avro schema comparison and Parquet list normalization [hudi-rs]

["linliu-code (via GitHub)" <gi...@apache.org>]

linliu-code commented on PR #642:
URL: https://github.com/apache/hudi-rs/pull/642#issuecomment-5232820794

   Closing: this line is superseded.
   
   The merge-on-read work now lives on a single line (#663-#673, plus #675), which
   starts from the port as one squashed commit rather than this decomposition of
   it. That squashed commit contains everything this chain built, so nothing here
   is lost -- it is the same tree, reached by a different route.
   
   #660 carries the full squash for review, and is now up to date with the tip.


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Re: [PR] feat(core): port Avro schema comparison and Parquet list normalization [hudi-rs]

["linliu-code (via GitHub)" <gi...@apache.org>]

linliu-code closed pull request #642: feat(core): port Avro schema comparison and Parquet list normalization
URL: https://github.com/apache/hudi-rs/pull/642


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