Module datafusion::physical_optimizer::pruning
source · Expand description
PruningPredicate
to apply filter Expr
to prune “containers”
based on statistics (e.g. Parquet Row Groups)
Structs
- Evaluates filter expressions on statistics such as min/max values and null counts, attempting to prove a “container” (e.g. Parquet Row Group) can be skipped without reading the actual data, potentially leading to significant performance improvements.
Traits
- Interface to pass statistics (min/max/nulls) information to
PruningPredicate
.