Enum Comparison 

pub enum Comparison {
    Equal(ParseValue),
    NotEqual(ParseValue),
    GreaterThan(ParseValue),
    GreaterThanOrEqual(ParseValue),
    LessThan(ParseValue),
    LessThanOrEqual(ParseValue),
    In(Vec<ParseValue>),
    NotIn(Vec<ParseValue>),
    Exists(bool),
}

How one field is compared to one value.

Variants

Equal(ParseValue)

Bare equality: {"field": value}.

NotEqual(ParseValue)

GreaterThan(ParseValue)

GreaterThanOrEqual(ParseValue)

LessThan(ParseValue)

LessThanOrEqual(ParseValue)

In(Vec<ParseValue>)

NotIn(Vec<ParseValue>)

Exists(bool)

Implementations

impl Comparison

pub fn from_operator(op: &str, value: ParseValue) -> Result<Self, ParseError>

Map a Parse $ operator onto a comparison.

Returns INVALID_QUERY for anything unsupported. That is the whole point: the alternative, ignoring it, returns more rows than the caller asked for.

Trait Implementations

impl Clone for Comparison

fn clone(&self) -> Comparison

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Comparison

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

Formats the value using the given formatter.