Enum MutationError 

#[non_exhaustive]
pub enum MutationError {
    NotFound,
    IllegalTransition {
        state: DeliveryState,
    },
    LostClaim,
    MigrationMismatch {
        detail: String,
    },
    Configuration {
        detail: String,
    },
    Serialization {
        detail: String,
    },
    BusyExhausted {
        operation: &'static str,
        source: Error,
    },
    Sql {
        operation: &'static str,
        source: Error,
    },
}

Errors returned by claim-token-fenced delivery mutations.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

NotFound

No event row exists for the requested delivery.

IllegalTransition

The requested mutation is invalid for the current delivery state.

Fields

state: DeliveryState

Current durable delivery state.

LostClaim

The supplied claim token no longer owns the delivery.

MigrationMismatch

Installed durable schema is incompatible with this adapter.

Fields

detail: String

Diagnostic describing the incompatible schema.

Configuration

The adapter’s bounded busy policy is not representable by SQLite.

Fields

detail: String

Diagnostic describing the invalid configuration.

Serialization

Stored or returned data could not be represented safely.

Fields

detail: String

Diagnostic describing the invalid stored data.

BusyExhausted

A mutation could not finish after the configured busy retries.

Fields

operation: &'static str

Operation being performed when retries were exhausted.

source: Error

Original underlying SQLite error.

Sql

A non-busy SQLx operation failed.

Fields

operation: &'static str

Operation being performed when SQL failed.

source: Error

Original underlying SQLite error.

Trait Implementations

impl Debug for MutationError

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

Formats the value using the given formatter.

impl Display for MutationError

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

Formats the value using the given formatter.

impl Error for MutationError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.