[−][src]Enum diesel_migrations::MigrationError

pub enum MigrationError {
    MigrationDirectoryNotFound,
    UnknownMigrationFormat(PathBuf),
    IoError(Error),
    UnknownMigrationVersion(String),
    NoMigrationRun,
    // some variants omitted
}

Errors that occur while preparing to run migrations

Variants

MigrationDirectoryNotFound

The migration directory wasn't found

UnknownMigrationFormat(PathBuf)

Provided migration was in an unknown format

IoError(Error)

General system IO error

UnknownMigrationVersion(String)

Provided migration had an incompatible version number

NoMigrationRun

No migrations had to be/ could be run

Trait Implementations

impl PartialEq<MigrationError> for MigrationError
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0
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This method tests for !=.

impl Error for MigrationError
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fn cause(&self) -> Option<&dyn Error>
1.0.0
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Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any. Read more

fn source(&self) -> Option<&(dyn Error + 'static)>
1.30.0
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The lower-level source of this error, if any. Read more

impl From<MigrationError> for RunMigrationsError
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impl From<Error> for MigrationError
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impl Display for MigrationError
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impl Debug for MigrationError
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Auto Trait Implementations

Blanket Implementations

impl<T, U> Into for T where
    U: From<T>, 
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impl<T> From for T
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impl<T> ToString for T where
    T: Display + ?Sized, 
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impl<T, U> TryFrom for T where
    T: From<U>, 
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type Error = !

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

The type returned in the event of a conversion error.

impl<T> Borrow for T where
    T: ?Sized, 
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impl<T> Any for T where
    T: 'static + ?Sized, 
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impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

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

The type returned in the event of a conversion error.

impl<T> BorrowMut for T where
    T: ?Sized, 
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impl<T> IntoSql for T
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fn into_sql<T>(self) -> Self::Expression where
    Self: AsExpression<T>, 
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Convert self to an expression for Diesel's query builder. Read more

fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
    &'a Self: AsExpression<T>, 
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Convert &self to an expression for Diesel's query builder. Read more