Struct partiql_eval::eval::EvalPlan

pub struct EvalPlan { /* private fields */ }

Represents a PartiQL evaluation query plan which is a plan that can be evaluated to produce a result. The plan uses a directed petgraph::StableGraph.

Implementations

impl EvalPlan

pub fn new( mode: EvaluationMode, plan_graph: StableGraph<Box<dyn Evaluable>, u8, Directed> ) -> Self

Creates a new evaluation plan.

pub fn execute_mut<'c>( &mut self, ctx: &'c dyn EvalContext<'c> ) -> Result<Evaluated, EvalErr>

Executes the plan while mutating its state by changing the inputs and outputs of plan operators.

pub fn to_dot_graph(&self) -> String

Trait Implementations

impl Debug for EvalPlan

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

Formats the value using the given formatter.

impl Default for EvalPlan

fn default() -> Self

Returns the “default value” for a type.