db

Trait SimpleTransaction

Source 
pub trait SimpleTransaction {

Show 13 methods    // Required methods
    fn closed(&self) -> bool;
    fn cancel<'life0, 'async_trait>(
        &'life0 mut self,
    ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
    fn count<'life0, 'async_trait>(
        &'life0 mut self,
        cf: CF,
    ) -> Pin<Box<dyn Future<Output = Result<usize, Error>> + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
    fn commit<'life0, 'async_trait>(
        &'life0 mut self,
    ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
    fn exi<'life0, 'async_trait, K>(
        &'life0 self,
        cf: CF,
        key: K,
    ) -> Pin<Box<dyn Future<Output = Result<bool, Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn get<'life0, 'async_trait, K>(
        &'life0 self,
        cf: CF,
        key: K,
    ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>, Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn set<'life0, 'async_trait, K, V>(
        &'life0 mut self,
        cf: CF,
        key: K,
        val: V,
    ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send,
             V: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn put<'life0, 'async_trait, K, V>(
        &'life0 mut self,
        cf: CF,
        key: K,
        val: V,
    ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send,
             V: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn del<'life0, 'async_trait, K>(
        &'life0 mut self,
        cf: CF,
        key: K,
    ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn iterate<'life0, 'async_trait>(
        &'life0 self,
        cf: CF,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
    fn prefix_iterate<'life0, 'async_trait, P>(
        &'life0 self,
        cf: CF,
        prefix: P,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
       where P: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;
    fn suffix_iterate<'life0, 'async_trait, S>(
        &'life0 self,
        cf: CF,
        suffix: S,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
       where S: 'async_trait + Into<Vec<u8>> + Send,
             Self: 'async_trait,
             'life0: 'async_trait;

    // Provided method
    fn multi_get<'life0, 'async_trait, K>(
        &'life0 self,
        _cf: CF,
        _keys: Vec<K>,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<Vec<u8>>>, Error>> + 'async_trait>>
       where K: 'async_trait + Into<Vec<u8>> + Send + AsRef<[u8]>,
             Self: 'async_trait,
             'life0: 'async_trait { ... }

}

Required Methods§

Source

fn closed(&self) -> bool

Source

fn cancel<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Source

fn count<'life0, 'async_trait>( &'life0 mut self, cf: CF, ) -> Pin<Box<dyn Future<Output = Result<usize, Error>> + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Source

fn commit<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Source

fn exi<'life0, 'async_trait, K>( &'life0 self, cf: CF, key: K, ) -> Pin<Box<dyn Future<Output = Result<bool, Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Source

fn get<'life0, 'async_trait, K>( &'life0 self, cf: CF, key: K, ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>, Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Fetch a key from the database

Source

fn set<'life0, 'async_trait, K, V>( &'life0 mut self, cf: CF, key: K, val: V, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send, V: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Insert or update a key in the database

Source

fn put<'life0, 'async_trait, K, V>( &'life0 mut self, cf: CF, key: K, val: V, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send, V: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Insert a key if it doesn’t exist in the database

Source

fn del<'life0, 'async_trait, K>( &'life0 mut self, cf: CF, key: K, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Delete a key

Source

fn iterate<'life0, 'async_trait>( &'life0 self, cf: CF, ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Source

fn prefix_iterate<'life0, 'async_trait, P>( &'life0 self, cf: CF, prefix: P, ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
where P: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Source

fn suffix_iterate<'life0, 'async_trait, S>( &'life0 self, cf: CF, suffix: S, ) -> Pin<Box<dyn Future<Output = Result<Vec<Result<(Vec<u8>, Vec<u8>), Error>>, Error>> + 'async_trait>>
where S: 'async_trait + Into<Vec<u8>> + Send, Self: 'async_trait, 'life0: 'async_trait,

Provided Methods§

Source

fn multi_get<'life0, 'async_trait, K>( &'life0 self, _cf: CF, _keys: Vec<K>, ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<Vec<u8>>>, Error>> + 'async_trait>>
where K: 'async_trait + Into<Vec<u8>> + Send + AsRef<[u8]>, Self: 'async_trait, 'life0: 'async_trait,

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§