tern_core::migration

Struct MigrationSet

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pub struct MigrationSet<Ctx: ?Sized> {
    pub migrations: Vec<Box<dyn Migration<Ctx = Ctx>>>,
}
Expand description

The Migrations derived from the files in the source directory that need to be applied.

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§migrations: Vec<Box<dyn Migration<Ctx = Ctx>>>

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impl<Ctx> MigrationSet<Ctx>
where Ctx: MigrationContext,

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pub fn new<T>(vs: T) -> MigrationSet<Ctx>
where T: Into<Vec<Box<dyn Migration<Ctx = Ctx>>>>,

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pub fn len(&self) -> usize

Number of migrations in the set.

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pub fn versions(&self) -> Vec<i64>

Versions present in this migration set.

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pub fn max(&self) -> Option<i64>

The latest version in the set.

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pub fn is_empty(&self) -> bool

The set is empty for the requested operation.

Auto Trait Implementations§

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impl<Ctx> Freeze for MigrationSet<Ctx>
where Ctx: ?Sized,

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impl<Ctx> !RefUnwindSafe for MigrationSet<Ctx>

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impl<Ctx> Send for MigrationSet<Ctx>
where Ctx: ?Sized,

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impl<Ctx> Sync for MigrationSet<Ctx>
where Ctx: ?Sized,

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impl<Ctx> Unpin for MigrationSet<Ctx>
where Ctx: ?Sized,

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impl<Ctx> !UnwindSafe for MigrationSet<Ctx>

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, 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.