Module zone_map 

Zone map evaluator — predicate pushdown using per-row-group column stats.

Each row group stores ColumnStats { min_value, max_value, null_count }. The zone map evaluator checks predicates against these stats to decide whether a row group can be entirely skipped.

Structs

ZoneMapPredicate

A numeric predicate to evaluate against column zone maps.

Enums

ZoneMapOp

Comparison operators supported by zone map evaluation.

ZoneMapResult

Result of evaluating a predicate against zone map stats.

Functions

prune_row_groups

Evaluate row-group-level column stats against a predicate to determine which row groups can be pruned.

segment_overlaps_range

Evaluate a time range predicate against a segment’s timestamp bounds.