pub enum MigrationsErrorKind {
    MigrationDatabaseStepFailed(Option<Box<dyn Error + Send + Sync>>),
    MigrationDatabaseFailed(Option<Box<dyn Error + Send + Sync>>),
    MigrationSetupFailed(Option<Box<dyn Error + Send + Sync>>),
    MigrationVersioningFailed(Option<Box<dyn Error + Send + Sync>>),
    CustomErrorMessage(String, Option<Box<dyn Error + Send + Sync>>),
}
Expand description

Kinds of errors produced by the migration code

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MigrationDatabaseStepFailed(Option<Box<dyn Error + Send + Sync>>)

The migration failed during a single migration step.

This will usually happen when the lines (steps) of a changelog file are processed.

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MigrationDatabaseFailed(Option<Box<dyn Error + Send + Sync>>)

There was a general database-related problem

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MigrationSetupFailed(Option<Box<dyn Error + Send + Sync>>)

Could not set up migration metadata

This usually means that the migration state management could not be set up, e.g. because there was an error while creating the migrations state table.

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MigrationVersioningFailed(Option<Box<dyn Error + Send + Sync>>)

There was a problem beginning/finishing a version

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CustomErrorMessage(String, Option<Box<dyn Error + Send + Sync>>)

Some kind of error that has no specific representation

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impl Debug for MigrationsErrorKind

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

Formats the value using the given formatter. Read more

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Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere T: ?Sized,

const: unstable · source§

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 Twhere U: From<T>,

const: unstable · source§

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, U> TryFrom<U> for Twhere 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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.