Struct polars::prelude::OptState[][src]

pub struct OptState {
    pub projection_pushdown: bool,
    pub predicate_pushdown: bool,
    pub type_coercion: bool,
    pub simplify_expr: bool,
    pub agg_scan_projection: bool,
    pub aggregate_pushdown: bool,
    pub global_string_cache: bool,
    pub join_pruning: bool,
}
Expand description

State of the allowed optimizations

Fields

projection_pushdown: boolpredicate_pushdown: booltype_coercion: boolsimplify_expr: boolagg_scan_projection: bool

Make sure that all needed columns are scannedn

aggregate_pushdown: boolglobal_string_cache: booljoin_pruning: bool

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