[PR] feat: Migrate range bitmap file index and chunked dictionary [paimon-cpp]

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

lxy-9602 opened a new pull request, #56:
URL: https://github.com/apache/paimon-cpp/pull/56

   <!-- Please specify the module before the PR name: feat: ... or fix: ... -->
   
   ### Purpose
   
   <!-- Linking this pull request to the issue -->
   No Linked issue.
   
   Migrate range bitmap file index and its dictionary infrastructure:
   
   **Range bitmap (`src/paimon/common/file_index/rangebitmap/`):**
   - `RangeBitmap` — range-encoded bitmap supporting range queries via bit-sliced encoding (`range_bitmap.h/cpp`)
   - `RangeBitmapFileIndex` — file index implementation using range bitmap for range/equality queries (`range_bitmap_file_index.h/cpp`)
   - `BitSliceIndexBitmap` — bit-slice index bitmap for range bitmap internal use (`bit_slice_index_bitmap.h/cpp`)
   - `RangeBitmapFileIndexFactory` — factory for registering range bitmap index (`range_bitmap_file_index_factory.h/cpp`)
   - `LiteralSerializationUtils` — serialization helpers for literal values in range bitmap (`utils/literal_serialization_utils.h/cpp`)
   
   **Chunked dictionary (`src/paimon/common/file_index/rangebitmap/dictionary/`):**
   - `ChunkedDictionary` — dictionary mapping keys to integer IDs with chunk-based storage (`chunked_dictionary.h/cpp`)
   - `KeyFactory` — factory for creating typed dictionary keys (`key_factory.h/cpp`)
   - `FixedLengthChunk` — fixed-size chunk implementation for dictionary storage (`fixed_length_chunk.h/cpp`)
   - `Chunk` — abstract chunk interface (`chunk.h`)
   - `Dictionary` — abstract dictionary interface (`dictionary.h`)
   
   <!-- What is the purpose of the change -->
   
   ### Tests
   - `range_bitmap_io_test.cpp` — range bitmap serialization round-trip
   - `range_bitmap_file_index_test.cpp` — range queries, equality, null handling
   - `bit_slice_index_bitmap_test.cpp` — bit-slice index operations
   - `chunked_dictionary_test.cpp` — dictionary build, lookup, serialization
   <!-- List UT and IT cases to verify this change -->
   
   ### API and Format
   
   <!-- Does this change affect API in include dir or storage format or protocol -->
   
   ### Documentation
   
   <!-- Does this change introduce a new feature -->
   
   ### Generative AI tooling
   Migrate-by: Aone Copilot (Claude)
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   phrase: 'Generated-by: ' followed by the name of the tool and its version.
   If no, write 'No'.
   Please refer to the [ASF Generative Tooling Guidance](https://www.apache.org/legal/generative-tooling.html) for details.
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Re: [PR] feat: Migrate range bitmap file index and chunked dictionary [paimon-cpp]

["leaves12138 (via GitHub)" <gi...@apache.org>]

leaves12138 merged PR #56:
URL: https://github.com/apache/paimon-cpp/pull/56


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Re: [PR] feat: Migrate range bitmap file index and chunked dictionary [paimon-cpp]

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

lxy-9602 commented on PR #56:
URL: https://github.com/apache/paimon-cpp/pull/56#issuecomment-4646346612

   Thank you @fafacao86 for the contributions to the range bitmap file index and chunked dictionary and comprehensive tests — migrated as part of this batch. 🎉


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