Enum Filter 

pub enum Filter {
    Equals(String, Value),
    GreaterThan(String, Value),
    LessThan(String, Value),
    GreaterOrEqual(String, Value),
    LessOrEqual(String, Value),
    Contains(String, String),
    StartsWith(String, String),
    EndsWith(String, String),
    In(String, Vec<Value>),
    Exists(String, bool),
    And(Box<Self>, Box<Self>),
    Or(Box<Self>, Box<Self>),
}

A filter condition for querying documents.

Variants

Equals(String, Value)

Equality filter: field == value

GreaterThan(String, Value)

Greater than filter: field > value

LessThan(String, Value)

Less than filter: field < value

GreaterOrEqual(String, Value)

Greater or equal filter: field >= value

LessOrEqual(String, Value)

Less or equal filter: field <= value

Contains(String, String)

Contains filter: field contains substring (for strings)

StartsWith(String, String)

Starts with filter: field starts with prefix (for strings)

EndsWith(String, String)

Ends with filter: field ends with suffix (for strings)

In(String, Vec<Value>)

In filter: field value is in the provided list

Exists(String, bool)

Exists filter: field exists (or doesn’t exist if false)

And(Box<Self>, Box<Self>)

Logical AND of two filters

Or(Box<Self>, Box<Self>)

Logical OR of two filters

Trait Implementations

impl Clone for Filter

fn clone(&self) -> Filter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Filter

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

Formats the value using the given formatter.

impl PartialEq for Filter

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Filter

impl StructuralPartialEq for Filter