Enum ExplainStage

pub enum ExplainStage {
    RawPlan,
    DecorrelatedPlan,
    LocalPlan,
    GlobalPlan,
    PhysicalPlan,
    Trace,
    PlanInsights,
}

Specifies what Statement::ExplainPlan is actually explained.

Variants

RawPlan

The mz_sql::HirRelationExpr after parsing

DecorrelatedPlan

The mz_expr::MirRelationExpr after decorrelation

LocalPlan

The mz_expr::MirRelationExpr after local optimization

GlobalPlan

The mz_expr::MirRelationExpr after global optimization

PhysicalPlan

The mz_compute_types::plan::Plan

Trace

The complete trace of the plan through the optimizer

PlanInsights

Insights about the plan

Implementations

impl ExplainStage

pub fn paths(&self) -> Option<SmallVec<[NamedPlan; 4]>>

Return the tracing path that corresponds to a given stage.

pub fn show_fast_path(&self) -> bool

Trait Implementations

impl AstDisplay for ExplainStage

fn fmt<W: Write>(&self, f: &mut AstFormatter<W>)

fn to_ast_string(&self) -> String

fn to_ast_string_stable(&self) -> String

fn to_ast_string_redacted(&self) -> String

impl Clone for ExplainStage

fn clone(&self) -> ExplainStage

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExplainStage

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

Formats the value using the given formatter.

impl Display for ExplainStage

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

Formats the value using the given formatter.

impl<T: AstInfo, T2: AstInfo> FoldNode<T, T2> for ExplainStage

type Folded = ExplainStage

fn fold<F: Fold<T, T2>>(self, folder: &mut F) -> Self::Folded

impl Hash for ExplainStage

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ExplainStage

fn eq(&self, other: &ExplainStage) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'ast, T: AstInfo> VisitMutNode<'ast, T> for ExplainStage

fn visit_mut<V: VisitMut<'ast, T>>(&'ast mut self, visitor: &mut V)

impl<'ast, T: AstInfo> VisitNode<'ast, T> for ExplainStage

fn visit<V: Visit<'ast, T>>(&'ast self, visitor: &mut V)

impl Copy for ExplainStage

impl Eq for ExplainStage

impl StructuralPartialEq for ExplainStage