MigrationError

Enum MigrationError 

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pub enum MigrationError {
    DatabaseError(String),
    AlreadyApplied(i64),
    NotFound(i64),
    ChecksumMismatch {
        version: i64,
        expected: String,
        actual: String,
    },
    LockError(String),
    FailedState(i64),
    InvalidVersion(i64),
    MigrationGap(i64),
    IoError(Error),
    SerializationError(Error),
    Custom(String),
}
Expand description

Main error type for migration operations

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DatabaseError(String)

Database operation failed

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AlreadyApplied(i64)

Migration has already been applied

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NotFound(i64)

Migration was not found

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ChecksumMismatch

Checksum verification failed

Fields

§version: i64

Migration version

§expected: String

Expected checksum

§actual: String

Actual checksum

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LockError(String)

Lock acquisition failed

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FailedState(i64)

Migration is in a failed state

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InvalidVersion(i64)

Invalid migration version

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MigrationGap(i64)

Migration gap detected

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IoError(Error)

IO error occurred

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SerializationError(Error)

Serialization error

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Custom(String)

Custom error

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impl MigrationError

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pub fn database<S: Into<String>>(msg: S) -> Self

Create a new database error

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pub fn custom<S: Into<String>>(msg: S) -> Self

Create a new custom error

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impl Debug for MigrationError

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

Formats the value using the given formatter. Read more
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impl Display for MigrationError

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

Formats the value using the given formatter. Read more
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impl Error for MigrationError

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

Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
1.0.0 · Source§

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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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. Read more
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impl From<Error> for MigrationError

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fn from(source: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for MigrationError

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fn from(source: Error) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.