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DbHandle

Struct DbHandle 

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pub struct DbHandle { /* private fields */ }

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impl DbHandle

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pub fn init(memory: DbMemory) -> Result<Self, DbError>

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pub fn update<T, F>(self, f: F) -> Result<T, DbError>
where F: FnOnce(&mut UpdateConnection<'_>) -> Result<T, DbError>,

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pub fn query<T, F>(self, f: F) -> Result<T, DbError>
where F: FnOnce(&Connection) -> Result<T, DbError>,

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pub fn migrate(self, migrations: &[Migration]) -> Result<(), DbError>

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pub fn integrity_check(self) -> Result<String, DbError>

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pub fn export_chunk(self, offset: u64, len: u64) -> Result<Vec<u8>, DbError>

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pub fn db_checksum(self) -> Result<u64, DbError>

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pub fn refresh_checksum(self) -> Result<u64, DbError>

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pub fn refresh_checksum_chunk( self, max_bytes: u64, ) -> Result<ChecksumRefresh, DbError>

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pub fn begin_import( self, total_size: u64, expected_checksum: u64, ) -> Result<(), DbError>

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pub fn import_chunk(self, offset: u64, bytes: &[u8]) -> Result<(), DbError>

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pub fn finish_import(self) -> Result<(), DbError>

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pub fn cancel_import(self) -> Result<(), DbError>

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pub fn compact(self) -> Result<(), DbError>

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impl Clone for DbHandle

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fn clone(&self) -> DbHandle

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 DbHandle

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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 PartialEq for DbHandle

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fn eq(&self, other: &DbHandle) -> 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 Copy for DbHandle

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impl Eq for DbHandle

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impl StructuralPartialEq for DbHandle

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> 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<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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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.