Enum MrConn 

pub enum MrConn {
    Master(Arc<DatabaseConnection>),
    Replica(Arc<DatabaseConnection>),
}

Distinguish between master and replica database connections.

Variants

Master(Arc<DatabaseConnection>)

Replica(Arc<DatabaseConnection>)

Implementations

impl MrConn

pub fn db(&self) -> &DatabaseConnection

Get a reference to the database connection object.

pub fn expand(&self) -> (&DatabaseConnection, bool)

Get a reference to the database connection object, and also tell whether it is the master database.

Methods from Deref<Target = DatabaseConnection>

pub async fn ping(&self) -> Result<(), DbErr>

Checks if a connection to the database is still valid.

pub async fn close_by_ref(&self) -> Result<(), DbErr>

Explicitly close the database connection

pub fn get_mysql_connection_pool(&self) -> &Pool<MySql>

Get sqlx::MySqlPool

Panics

Panics if DbConn is not a MySQL connection.

Trait Implementations

impl Clone for MrConn

fn clone(&self) -> MrConn

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MrConn

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

Formats the value using the given formatter.

impl Default for MrConn

fn default() -> Self

Returns the “default value” for a type.

impl Deref for MrConn

type Target = DatabaseConnection

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.