Enum MigrationError 

pub enum MigrationError {
    NoPath {
        from: SchemaVersion,
        to: SchemaVersion,
    },
    StepFailed {
        step: String,
        reason: String,
    },
    AlreadyCurrent,
    DowngradeNotSupported,
    ValidationFailed(String),
}

Errors that can occur during migration.

Variants

NoPath

No migration path exists between the two versions.

Fields

from: SchemaVersion

The version migrating from.

to: SchemaVersion

The version migrating to.

StepFailed

A migration step failed.

Fields

step: String

Description of the step.

reason: String

Reason for failure.

AlreadyCurrent

The definition is already at the target version.

DowngradeNotSupported

The target version is older than the current version.

ValidationFailed(String)

Validation failed after migration.

Trait Implementations

impl Clone for MigrationError

fn clone(&self) -> MigrationError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MigrationError

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

Formats the value using the given formatter.

impl Display for MigrationError

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

Formats the value using the given formatter.

impl PartialEq for MigrationError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MigrationError