[I] [Feature] Support Mosaic file format [paimon-cpp]

["lxy-9602 (via GitHub)" <gi...@apache.org>]

lxy-9602 opened a new issue, #236:
URL: https://github.com/apache/paimon-cpp/issues/236

   ### Search before asking
   
   - [x] I searched in the [issues](https://github.com/apache/paimon-cpp/issues) and found nothing similar.
   
   
   ### Motivation
   
   Apache Paimon Java 2.0 supports Mosaic, a hybrid format designed for wide tables using column bucketing and parallel I/O. Paimon C++ cannot currently access tables using this format.
   
   ### Solution
   
   Add Mosaic support to the Paimon C++ file-format SPI:
   - Register the mosaic file-format factory.
   - Implement compatible schema, reader, writer, and statistics handling.
   - Support column projection and Mosaic column-bucket metadata.
   - Add C++ round-trip tests and Java-produced file compatibility tests.
   
   ### Anything else?
   
   We will also support formats such as Lance and Vortex in the future.
   
   ### Are you willing to submit a PR?
   
   - [x] I'm willing to submit a PR!


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Re: [I] [Feature] Support Mosaic file format [paimon-cpp]

["zjw1111 (via GitHub)" <gi...@apache.org>]

zjw1111 closed issue #236: [Feature] Support Mosaic file format
URL: https://github.com/apache/paimon-cpp/issues/236


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