Struct Transaction 

pub struct Transaction<P>
where
    P: Pool,
    P::Key: Hash + Eq + Clone,
{ /* private fields */ }

Available on crate feature transaction only.

Protocol-agnostic Transaction handlers for any connection pool

Implementations

impl<P> Transaction<P>

where P: Pool + 'static, P::Key: Hash + Eq + Send + Sync + Clone + 'static, P::Connection: 'static, <P::Connection as Connection>::Error: Send + Sync + 'static,

pub fn new(pool: Arc<P>) -> Self

Create a new Postgres transaction service from a reference-counted Pool

pub async fn begin( &self, key: P::Key, ) -> Result<Uuid, Error<<<P as Pool>::Connection as Connection>::Error>>

Begin a Postgres transaction, returning a unique ID for the transaction

pub async fn query( &self, id: Uuid, key: P::Key, statement: &str, parameters: &[Parameter], ) -> Result<<P::Connection as Connection>::RowStream, Error<<<P as Pool>::Connection as Connection>::Error>>

Query an active Postgres transaction by ID and connection pool key

pub async fn commit( &self, id: Uuid, key: P::Key, ) -> Result<(), Error<<<P as Pool>::Connection as Connection>::Error>>

Commit an active Postgres transaction by ID and connection pool key

pub async fn rollback( &self, id: Uuid, key: P::Key, ) -> Result<(), Error<<<P as Pool>::Connection as Connection>::Error>>

Roll back an active Postgres transaction by ID and connection pool key

Trait Implementations

impl<P> Clone for Transaction<P>

where P: Pool + Clone, P::Key: Hash + Eq + Clone,

fn clone(&self) -> Transaction<P>

Returns a duplicate of the value.

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

Performs copy-assignment from source.