Struct parity_db::Db

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pub struct Db { /* private fields */ }

Implementations

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impl Db

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pub fn with_columns(path: &Path, num_columns: u8) -> Result<Db>

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pub fn open(options: &Options) -> Result<Db>

Open the database with given

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pub fn get(&self, col: u8, key: &[u8 ]) -> Result<Option<Vec<u8>>>

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pub fn get_size(&self, col: u8, key: &[u8 ]) -> Result<Option<u32>>

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pub fn commit<I, K>(&self, tx: I) -> Result<()> where
I: IntoIterator<Item = (u8, K, Option<Vec<u8>>)>,
K: AsRef<[u8 ]>,

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pub fn num_columns(&self) -> u8

Trait Implementations

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impl Drop for Db

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations

impl !RefUnwindSafe for Db

impl Send for Db

impl Sync for Db

impl Unpin for Db

impl !UnwindSafe for Db

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub 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

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub 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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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Struct parity_db::Db

Implementations

impl Db

pub fn with_columns(path: &Path, num_columns: u8) -> Result<Db>

pub fn open(options: &Options) -> Result<Db>

pub fn get(&self, col: u8, key: &[u8 ]) -> Result<Option<Vec<u8>>>

pub fn get_size(&self, col: u8, key: &[u8 ]) -> Result<Option<u32>>

pub fn commit<I, K>(&self, tx: I) -> Result<()> where
I: IntoIterator<Item = (u8, K, Option<Vec<u8>>)>,
K: AsRef<[u8 ]>,

pub fn num_columns(&self) -> u8

Trait Implementations

impl Drop for Db

fn drop(&mut self)

Auto Trait Implementations

impl !RefUnwindSafe for Db

impl Send for Db

impl Sync for Db

impl Unpin for Db

impl !UnwindSafe for Db

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

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

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

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

Struct parity_db::Db

Implementations

impl Db

pub fn with_columns(path: &Path, num_columns: u8) -> Result<Db>

pub fn open(options: &Options) -> Result<Db>

pub fn get(&self, col: u8, key: &[u8]) -> Result<Option<Vec<u8>>>

pub fn get_size(&self, col: u8, key: &[u8]) -> Result<Option<u32>>

pub fn commit<I, K>(&self, tx: I) -> Result<()> where I: IntoIterator<Item = (u8, K, Option<Vec<u8>>)>, K: AsRef<[u8]>,

pub fn num_columns(&self) -> u8

Trait Implementations

impl Drop for Db

fn drop(&mut self)

Auto Trait Implementations

impl !RefUnwindSafe for Db

impl Send for Db

impl Sync for Db

impl Unpin for Db

impl !UnwindSafe for Db

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

pub fn get(&self, col: u8, key: &[u8 ]) -> Result<Option<Vec<u8>>>

pub fn get_size(&self, col: u8, key: &[u8 ]) -> Result<Option<u32>>

pub fn commit<I, K>(&self, tx: I) -> Result<()> where
I: IntoIterator<Item = (u8, K, Option<Vec<u8>>)>,
K: AsRef<[u8 ]>,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,