SuKi2cn opened a new pull request, #373:
URL: https://github.com/apache/iceberg-cpp/pull/373
This PR implements the DataFile evaluation for aggregates addressing issue
#360.
- MAX/MIN now support evaluation from DataFile metrics.
- Count-family aggregates now follow Java semantics:
- CountNonNull: requires value + null counts
- CountNull: requires null counts
- CountStar: requires non-negative record_count
Missing metrics mark the aggregator invalid and produce null results.
- Added AggregateEvaluator::AllAggregatorsValid().
Mirrors Java’s allAggregatorsValid() to indicate when aggregates can be
reliably computed from DataFile metrics.
- Added MAX/MIN overloads for UnboundTerm<BoundTransform>.
- Updated and extended tests:
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