Struct diesel_migrations::HarnessWithOutput

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pub struct HarnessWithOutput<'a, C, W> { /* private fields */ }
Expand description

A migration harness that writes messages into some output for each applied/reverted migration

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impl<'a, C, W> HarnessWithOutput<'a, C, W>

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pub fn new<DB>(harness: &'a mut C, output: W) -> Self
where C: MigrationHarness<DB>, DB: Backend, W: Write,

Create a new HarnessWithOutput that writes to a specific writer

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impl<'a, C> HarnessWithOutput<'a, C, Stdout>

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pub fn write_to_stdout<DB>(harness: &'a mut C) -> Self
where C: MigrationHarness<DB>, DB: Backend,

Create a new HarnessWithOutput that writes to stdout

Trait Implementations§

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impl<'a, C, W, DB> MigrationHarness<DB> for HarnessWithOutput<'a, C, W>
where W: Write, C: MigrationHarness<DB>, DB: Backend,

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fn run_migration( &mut self, migration: &dyn Migration<DB>, ) -> Result<MigrationVersion<'static>>

Apply a single migration Read more
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fn revert_migration( &mut self, migration: &dyn Migration<DB>, ) -> Result<MigrationVersion<'static>>

Revert a single migration Read more
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fn applied_migrations(&mut self) -> Result<Vec<MigrationVersion<'static>>>

Get a list of already applied migration versions
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fn has_pending_migration<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<bool>

Checks if the database represented by the current harness has unapplied migrations
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fn run_pending_migrations<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<Vec<MigrationVersion<'_>>>

Execute all unapplied migrations for a given migration source
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fn run_next_migration<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<MigrationVersion<'_>>

Execute the next migration from the given migration source
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fn revert_all_migrations<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<Vec<MigrationVersion<'_>>>

Revert all applied migrations from a given migration source
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fn revert_last_migration<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<MigrationVersion<'static>>

Revert the last migration from a given migration source Read more
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fn pending_migrations<S: MigrationSource<DB>>( &mut self, source: S, ) -> Result<Vec<Box<dyn Migration<DB>>>>

Get a list of non applied migrations for a specific migration source Read more

Auto Trait Implementations§

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impl<'a, C, W> !Freeze for HarnessWithOutput<'a, C, W>

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impl<'a, C, W> !RefUnwindSafe for HarnessWithOutput<'a, C, W>

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impl<'a, C, W> Send for HarnessWithOutput<'a, C, W>
where C: Send, W: Send,

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impl<'a, C, W> !Sync for HarnessWithOutput<'a, C, W>

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impl<'a, C, W> Unpin for HarnessWithOutput<'a, C, W>
where W: Unpin,

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impl<'a, C, W> !UnwindSafe for HarnessWithOutput<'a, C, W>

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> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression

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

Convert &self to an expression for Diesel’s query builder. 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T