Struct MigrationsError 

pub struct MigrationsError { /* private fields */ }

Represents errors produced by migration code

Implementations

impl MigrationsError

pub fn migration_database_step_failed( last_successful_version: Option<u32>, cause: Option<Box<dyn Error + Send + Sync>>, ) -> MigrationsError

pub fn migration_database_failed( last_successful_version: Option<u32>, cause: Option<Box<dyn Error + Send + Sync>>, ) -> MigrationsError

pub fn migration_setup_failed( cause: Option<Box<dyn Error + Send + Sync>>, ) -> MigrationsError

pub fn migration_versioning_failed( cause: Option<Box<dyn Error + Send + Sync>>, ) -> MigrationsError

pub fn custom_message( message: &str, last_successful_version: Option<u32>, cause: Option<Box<dyn Error + Send + Sync>>, ) -> MigrationsError

pub fn kind(&self) -> &MigrationsErrorKind

pub fn last_successful_version(&self) -> Option<u32>

Trait Implementations

impl Debug for MigrationsError

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

Formats the value using the given formatter.

impl Display for MigrationsError

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

Formats the value using the given formatter.

impl Error for MigrationsError

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.