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DatabaseMigrationCommand

shardline_server

Enum DatabaseMigrationCommand 

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pub enum DatabaseMigrationCommand {
    Up {
        steps: Option<usize>,
    },
    Down {
        steps: usize,
    },
    Status,
}
Expand description

Requested database-migration action.

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Up

Apply pending migrations.

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§steps: Option<usize>

Maximum number of pending migrations to apply.

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Down

Revert applied migrations from newest to oldest.

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§steps: usize

Maximum number of applied migrations to revert.

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Status

Report applied and pending migrations without mutating schema state.

Trait Implementations§

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impl Clone for DatabaseMigrationCommand

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fn clone(&self) -> DatabaseMigrationCommand

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DatabaseMigrationCommand

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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 Eq for DatabaseMigrationCommand

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impl PartialEq for DatabaseMigrationCommand

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fn eq(&self, other: &DatabaseMigrationCommand) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for DatabaseMigrationCommand

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impl<T> Any for T
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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

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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fn instrument(self, span: Span) -> Instrumented<Self>

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type Output = T

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where Self: Sized,

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where Self: Sized,

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where Self: Sized,

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