Enum pgx::callbacks::PgXactCallbackEvent

pub enum PgXactCallbackEvent {
    Abort,
    Commit,
    PreCommit,
    ParallelAbort,
    ParallelCommit,
    ParallelPreCommit,
    Prepare,
    PrePrepare,
}

Postgres Transaction (Xact) Callback Events

Variants

Abort

Fired when a transaction is aborted. It is mutually exclusive with PgXactCallbackEvent::Commit

Safety

Any kind of Rust panic!() or Postgres ereport(ERROR) while this event is firing will cause the Postgres backend to abort.

Commit

Fired when a transcation is committed. It is mutually exclusive with PgXactCallbackEvent::Abort

Safety

Any kind of Rust panic!() or Postgres ereport(ERROR) while this event is firing will cause the Postgres backend to abort.

PreCommit

Fired immediately before the transaction is committed. This is your last chance to cleanly abort the current transaction via a Rust panic!() or Postgres ereport(ERROR)

ParallelAbort

Same as ::Abort, but for parallel workers

ParallelCommit

Same as ::Commit, but for parallel workers

ParallelPreCommit

Same as ::PreCommit, but for parallel workers

Prepare

Same as ::Commit, but for committing a prepared transaction

PrePrepare

Same as ::PreCommit, but for committing a prepared transaction

Trait Implementations

impl Clone for PgXactCallbackEvent

fn clone(&self) -> PgXactCallbackEvent

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PgXactCallbackEvent

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

Formats the value using the given formatter.

impl Eq for PgXactCallbackEvent

impl Hash for PgXactCallbackEvent

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl PartialEq<PgXactCallbackEvent> for PgXactCallbackEvent

fn eq(&self, other: &PgXactCallbackEvent) -> 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 StructuralEq for PgXactCallbackEvent

impl StructuralPartialEq for PgXactCallbackEvent