Struct QueryPlan 

pub struct QueryPlan { /* private fields */ }

Query execution plan

Implementations

impl QueryPlan

pub fn new(query: PredicateQuery, strategy: IndexStrategy) -> Self

pub fn with_cost(self, cost: f64) -> Self

pub fn with_estimated_results(self, count: usize) -> Self

pub fn execute( &self, table: &SymbolTable, ) -> Result<Vec<(String, PredicateInfo)>>

Execute the plan

pub fn query(&self) -> &PredicateQuery

pub fn strategy(&self) -> &IndexStrategy

pub fn estimated_cost(&self) -> f64

Trait Implementations

impl Clone for QueryPlan

fn clone(&self) -> QueryPlan

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for QueryPlan

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.