Add stats rewrite session API#7930
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Part of #7707. Base: #7931 Next: #7930 ## Summary - Add a `NullCount` aggregate wrapper and register it in the aggregate function session. - Bridge `Stat::NullCount` through the `Stat` aggregate-function mapping introduced by #7931. - Add stats expression constructors used by the current pruning/stat expression path. ## Checks - `cargo test -p vortex-array null_count` - `cargo test -p vortex-array stat_expr` - `./scripts/public-api.sh` - `cargo clippy --all-targets --all-features` Signed-off-by: Nicholas Gates <nick@nickgates.com>
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Part of #7707. Replacement for #7929 after the accidental merge was reverted before #7931 landed. Base: `develop` Next: #7930 ## Summary - Add a `NullCount` aggregate wrapper and register it in the aggregate function session. - Bridge `Stat::NullCount` through the `Stat` aggregate-function mapping introduced by #7931. - Add stats expression constructors used by the current pruning/stat expression path. ## Checks - `cargo test -p vortex-array null_count` - `cargo test -p vortex-array stat_expr` - `./scripts/public-api.sh` - `cargo clippy --all-targets --all-features` Signed-off-by: Nicholas Gates <nick@nickgates.com>
Signed-off-by: Nicholas Gates <nick@nickgates.com>
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Part of #7707.
Base:
developSummary
vortex-array/src/stats/session.rs.StatsRewriteRuletrait, rewrite context, and session registry.Expression::{falsify,satisfy}as the only public entrypoints for stats-backed proof rewrites.StatsRewriteSessionin the default Vortex session.STYLE.md.Checks
cargo test -p vortex-array stats::rewrite./scripts/public-api.shcargo clippy --all-targets --all-features