Enum mongodb::options::ReadConcern

pub enum ReadConcern {
    Local,
    Majority,
    Linearizable,
    Available,
    Custom(String),
}

Specifies the consistency and isolation properties of read operations from replica sets and replica set shards.

See the documentation here for more information about read concerns.

Variants

Local

See the specific documentation for this read concern level here.

Majority

See the specific documentation for this read concern level here.

Linearizable

See the specific documentation for this read concern level here.

Available

See the specific documentation for this read concern level here.

Custom(String)

Specify a custom read concern level. This is present to provide forwards compatibility with any future read concerns which may be added to new versions of MongoDB.

Methods

impl ReadConcern

pub fn as_str(&self) -> &str

Gets the string representation of the ReadConcern.

Trait Implementations

impl Clone for ReadConcern

fn clone(&self) -> ReadConcern

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ReadConcern

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

Formats the value using the given formatter.

impl PartialEq<ReadConcern> for ReadConcern

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Serialize for ReadConcern

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
    S: Serializer, 

Serialize this value into the given Serde serializer.