Enum BoundPredicate 

pub enum BoundPredicate {
    And(Vec<Self>),
    Or(Vec<Self>),
    Not(Box<Self>),
    Constant(TruthValue),
    Comparison {
        left: BoundScalarExpression,
        right: BoundScalarExpression,
    },
    IsNull(BoundScalarExpression),
    IsNotNull(BoundScalarExpression),
    InList {
        expression: BoundScalarExpression,
        values: Vec<BoundScalarExpression>,
        negated: bool,
    },
    IsDistinctFrom {
        left: BoundScalarExpression,
        right: BoundScalarExpression,
    },
    IsNotDistinctFrom {
        left: BoundScalarExpression,
        right: BoundScalarExpression,
    },
    BindingsPresent {
        required_bindings: BindingSet,
    },
    Opaque {
        referenced_bindings: BindingSet,
    },
}

Bound boolean nodes required by the null-rejection analysis.

Variants

And(Vec<Self>)

Or(Vec<Self>)

Not(Box<Self>)

Constant(TruthValue)

Comparison

Fields

left: BoundScalarExpression

right: BoundScalarExpression

IsNull(BoundScalarExpression)

IsNotNull(BoundScalarExpression)

InList

Fields

expression: BoundScalarExpression

values: Vec<BoundScalarExpression>

negated: bool

IsDistinctFrom

Fields

left: BoundScalarExpression

right: BoundScalarExpression

IsNotDistinctFrom

Fields

left: BoundScalarExpression

right: BoundScalarExpression

BindingsPresent

Tests whether every listed binding is present in the current row.

This is not a general SQL EXISTS subquery. Unsupported subqueries must be represented by Self::Opaque.

Fields

required_bindings: BindingSet

Opaque

Fields

referenced_bindings: BindingSet

Implementations

impl BoundPredicate

pub fn referenced_bindings(&self) -> BindingSet

Trait Implementations

impl Clone for BoundPredicate

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BoundPredicate

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

Formats the value using the given formatter.

impl Eq for BoundPredicate

impl PartialEq for BoundPredicate

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for BoundPredicate