Struct CombinedPredicate 

pub struct CombinedPredicate {
    pub op: LogicalOp,
    pub children: Vec<Box<dyn PredicateClone>>,
}

A combined predicate joins multiple predicates with AND/OR.

Fields

op: LogicalOp

children: Vec<Box<dyn PredicateClone>>

Implementations

impl CombinedPredicate

pub fn and(children: Vec<Box<dyn PredicateClone>>) -> Self

pub fn or(children: Vec<Box<dyn PredicateClone>>) -> Self

Trait Implementations

impl Clone for CombinedPredicate

fn clone(&self) -> CombinedPredicate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CombinedPredicate

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

Formats the value using the given formatter.

impl Predicate for CombinedPredicate

fn eval(&self, row: &Row) -> bool

Evaluates the predicate against a row.

fn columns(&self) -> Vec<&ColumnRef>

Returns the columns referenced by this predicate.

fn tables(&self) -> Vec<&str>

Returns the tables referenced by this predicate.