Trait UnhandledPredicateHook

pub trait UnhandledPredicateHook {
    // Required method
    fn handle(&self, expr: &Arc<dyn PhysicalExpr>) -> Arc<dyn PhysicalExpr>;
}

Rewrites predicates that PredicateRewriter can not handle, e.g. certain complex expressions or predicates that reference columns that are not in the schema.

Required Methods

fn handle(&self, expr: &Arc<dyn PhysicalExpr>) -> Arc<dyn PhysicalExpr>

Called when a predicate can not be rewritten in terms of statistics or references a column that is not in the schema.

Implementors