Struct Pushdown 

pub struct Pushdown {
    pub per_binding: HashMap<String, Vec<Expr>>,
    pub refusals: Vec<String>,
}

What the planner decided, per relation, plus why it declined the rest.

Fields

per_binding: HashMap<String, Vec<Expr>>

binding (lowercased) -> conjuncts to pre-filter that relation with.

refusals: Vec<String>

Human-readable refusal reasons, in the order the conjuncts appeared.

Implementations

impl Pushdown

pub fn for_binding(&self, binding: &str) -> Option<&Vec<Expr>>

pub fn pushed_count(&self) -> usize

Trait Implementations

impl Clone for Pushdown

fn clone(&self) -> Pushdown

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Pushdown

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

Formats the value using the given formatter.

impl Default for Pushdown

fn default() -> Pushdown

Returns the “default value” for a type.