Enum Predicate 

pub enum Predicate {
    Equals(String, Value),
    NotEquals(String, Value),
    GreaterThan(String, Value),
    GreaterThanOrEqual(String, Value),
    LessThan(String, Value),
    LessThanOrEqual(String, Value),
    In(String, Vec<Value>),
    Like(String, String),
    And(Vec<Predicate>),
    Or(Vec<Predicate>),
    Not(Box<Predicate>),
}

Query predicate for filtering

Variants

Equals(String, Value)

column = value

NotEquals(String, Value)

column != value

GreaterThan(String, Value)

column > value

GreaterThanOrEqual(String, Value)

column >= value

LessThan(String, Value)

column < value

LessThanOrEqual(String, Value)

column <= value

In(String, Vec<Value>)

column IN (values)

Like(String, String)

column LIKE pattern

And(Vec<Predicate>)

AND predicates

Or(Vec<Predicate>)

OR predicates

Not(Box<Predicate>)

NOT predicate

Trait Implementations

impl Clone for Predicate

fn clone(&self) -> Predicate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Predicate

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

Formats the value using the given formatter.