Enum TxOutcome 

pub enum TxOutcome<T> {
    Commit(T),
    Rollback(T),
}

The outcome of a DbContext::transaction closure.

Unlike DbContext::use_transaction, which commits on Ok and rolls back only on Err, this type lets a handler abort the database work and still return a successful business result.

let result = ctx.transaction(|ctx| Box::pin(async move {
    // ... database work ...
    if !meets_condition {
        return Ok(TxOutcome::Rollback(BizResult::Rejected));
    }
    Ok(TxOutcome::Commit(BizResult::Done))
})).await?;

Variants

Commit(T)

Commit the transaction and return the value.

Rollback(T)

Roll the transaction back, detach tracked entities, and return the value.

Trait Implementations

impl<T: Clone> Clone for TxOutcome<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for TxOutcome<T>

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

Formats the value using the given formatter.

impl<T: Eq> Eq for TxOutcome<T>

impl<T: PartialEq> PartialEq for TxOutcome<T>

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl<T: PartialEq> StructuralPartialEq for TxOutcome<T>