Struct PostgresSnapshotStore

pub struct PostgresSnapshotStore<I> { /* private fields */ }

A SnapshotStore implementation based on PostgreSQL.

Implementations

impl<I> PostgresSnapshotStore<I>

pub async fn new(config: Config) -> Result<Self, Error>

Trait Implementations

impl<I: Clone> Clone for PostgresSnapshotStore<I>

fn clone(&self) -> PostgresSnapshotStore<I>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<I> Debug for PostgresSnapshotStore<I>

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

Formats the value using the given formatter.

impl<I> SnapshotStore for PostgresSnapshotStore<I>

where I: Debug + Clone + ToSql + Send + Sync + 'static,

type Id = I

type Error = Error

async fn save<S, ToBytes, ToBytesError>( &mut self, id: &Self::Id, seq_no: NonZeroU64, state: &S, to_bytes: &ToBytes, ) -> Result<(), Self::Error>

where S: Send, ToBytes: Fn(&S) -> Result<Bytes, ToBytesError> + Sync, ToBytesError: StdError + Send + Sync + 'static,

Save the given snapshot state for the given entity ID and sequence number.

async fn load<S, FromBytes, FromBytesError>( &self, id: &Self::Id, from_bytes: FromBytes, ) -> Result<Option<Snapshot<S>>, Self::Error>

where FromBytes: Fn(Bytes) -> Result<S, FromBytesError> + Send, FromBytesError: StdError + Send + Sync + 'static,

Find and possibly load the Snapshot for the given entity ID.