Struct RuntimeJoinDecision 

pub struct RuntimeJoinDecision {
    pub algorithm: RuntimeJoinAlgorithm,
    pub swap_sides: bool,
    pub explanation: String,
}

Runtime join decision produced by the planner and consumed by physical JOIN.

Fields

algorithm: RuntimeJoinAlgorithm

Selected join algorithm.

swap_sides: bool

Whether physical execution should swap the two inputs.

explanation: String

Human-readable decision evidence.

Implementations

impl RuntimeJoinDecision

pub fn use_hash_join(&self) -> bool

Check if hash join was selected.

pub fn use_merge_join(&self) -> bool

Check if merge join was selected.

pub fn use_nested_loop(&self) -> bool

Check if nested loop was selected.

Trait Implementations

impl Clone for RuntimeJoinDecision

fn clone(&self) -> RuntimeJoinDecision

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuntimeJoinDecision

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

Formats the value using the given formatter.