Struct PushDownFilterToScan 

pub struct PushDownFilterToScan;

Attach Filter predicates directly to the underlying TableScan. This lets the physical planner decide whether the scan itself can honor the predicate (e.g. via index) while keeping the logical tree shallower.

Trait Implementations

impl LogicalOptimizerRule for PushDownFilterToScan

fn try_optimize( &self, plan: &LogicalPlan, ) -> QuillSQLResult<Option<LogicalPlan>>

Try and rewrite plan to an optimized form, returning None if the plan cannot be optimized by this rule.

fn name(&self) -> &str

A human-readable name for this optimizer rule

fn apply_order(&self) -> Option<ApplyOrder>

How should the rule be applied by the optimizer