SuKi2cn opened a new pull request, #335:
URL: https://github.com/apache/iceberg-cpp/pull/335
This PR addresses issue #330 by introducing aggregate expressions &
execution support.
* Add aggregate expression family (count / count_null / count_star / max /
min)
with bound/unbound types, visitor and binder support.
* Add `AggregateEvaluator` for count/max/min execution over `StructLike`
rows.
* Expose aggregate factories in `Expressions` and wire into CMake/Meson
builds
with new aggregate tests.
#### Tests
* `cmake --build build-clang`
* `ctest --test-dir build-clang --output-on-failure`
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