Enum FilterExpression 

pub enum FilterExpression {
    MatchAll,
    Raw(String),
    Tag {
        field: String,
        values: Vec<String>,
    },
    TextExact {
        field: String,
        value: String,
    },
    TextLike {
        field: String,
        value: String,
    },
    NumericRange {
        field: String,
        min: String,
        max: String,
    },
    GeoRadius {
        field: String,
        longitude: f64,
        latitude: f64,
        radius: f64,
        unit: String,
    },
    TimestampRange {
        field: String,
        min: String,
        max: String,
    },
    And(Box<FilterExpression>, Box<FilterExpression>),
    Or(Box<FilterExpression>, Box<FilterExpression>),
    Not(Box<FilterExpression>),
    IsMissing {
        field: String,
    },
}

Filter expression tree.

Variants

MatchAll

Wildcard that matches everything.

Raw(String)

Raw Redis Search filter expression supplied verbatim.

Tag

Tag equality or membership expression.

Fields

field: String

Field name.

values: Vec<String>

Accepted values.

TextExact

Text equality expression.

Fields

field: String

Field name.

value: String

Search term.

TextLike

Text wildcard/pattern expression.

Fields

field: String

Field name.

value: String

Search term.

NumericRange

Numeric equality/range expression.

Fields

field: String

Field name.

min: String

Minimum bound.

max: String

Maximum bound.

GeoRadius

Geo radius expression.

Fields

field: String

Field name.

longitude: f64

Longitude.

latitude: f64

Latitude.

radius: f64

Radius.

unit: String

Unit.

TimestampRange

Timestamp equality/range expression.

Fields

field: String

Field name.

min: String

Minimum bound.

max: String

Maximum bound.

And(Box<FilterExpression>, Box<FilterExpression>)

Logical AND.

Or(Box<FilterExpression>, Box<FilterExpression>)

Logical OR.

Not(Box<FilterExpression>)

Logical NOT.

IsMissing

IsMissing predicate – matches documents where a field is absent.

Fields

field: String

Field name.

Implementations

impl FilterExpression

pub fn raw(expression: impl Into<String>) -> Self

Creates a raw Redis Search filter expression.

pub fn to_redis_syntax(&self) -> String

Serializes the filter into Redis Search query syntax.

Trait Implementations

impl BitAnd for FilterExpression

type Output = FilterExpression

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation.

impl BitOr for FilterExpression

type Output = FilterExpression

The resulting type after applying the | operator.

fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation.

impl Clone for FilterExpression

fn clone(&self) -> FilterExpression

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FilterExpression

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

Formats the value using the given formatter.

impl Display for FilterExpression

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

Formats the value using the given formatter.

impl From<&str> for FilterExpression

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<String> for FilterExpression

fn from(value: String) -> Self

Converts to this type from the input type.

impl Not for FilterExpression

type Output = FilterExpression

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.