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feat: add RoaringBitmap32, RoaringBitmap64, and BitSet utilities - #35
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Jun 1, 2026
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Reviewed the latest head. I did not find blockers in this pass.
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Purpose
No Linked issue.
Introduce bitmap and bitset utility classes:
RoaringBitmap32— 32-bit roaring bitmap wrapper with serialization, set operations (and/or/xor/andnot), and iterator support (roaring_bitmap32.h/cpp)RoaringBitmap64— 64-bit roaring bitmap wrapper with the same capabilities extended for 64-bit keys (roaring_bitmap64.h/cpp)BitSet— compact bit vector with get/set/clear operations backed by a byte array (bit_set.h/cpp)Tests
roaring_bitmap32_test.cpp— construction, add/remove, contains, serialization/deserialization, set operationsroaring_bitmap64_test.cpp— same coverage for 64-bit variant plus large-key scenariosbit_set_test.cpp— bit manipulation, boundary conditionsAPI and Format
New public headers under
include/paimon/utils/.Documentation
Generative AI tooling
Migrate-by: Aone Copilot (Claude)