Struct parity_rocksdb::rocksdb::DB

pub struct DB { /* private fields */ }

Implementations

impl DB

pub fn open_default(path: &str) -> Result<DB, String>

pub fn open(opts: &Options, path: &str) -> Result<DB, String>

pub fn open_cf(
    opts: &Options,
    path: &str,
    cfs: &[&str],
    cf_opts: &[Options]
) -> Result<DB, String>

pub fn destroy(opts: &Options, path: &str) -> Result<(), String>

pub fn repair(opts: &Options, path: &str) -> Result<(), String>

pub fn write_opt(
    &self,
    batch: WriteBatch,
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn write(&self, batch: WriteBatch) -> Result<(), String>

pub fn get_opt(
    &self,
    key: &[u8],
    readopts: &ReadOptions
) -> Result<Option<DBVector>, String>

pub fn get_int_property(&self, prop: &str) -> u64

Query a RocksDB instance for a “property” that returns a numeric value. The available properties are listed here but note that only properties returning a numeric value can be queried using this function.

pub fn get_int_property_cf(&self, cf: Column, prop: &str) -> u64

Query a RocksDB instance scoped to a column family for a “property” that returns a numeric value. The available properties are listed here but note that only properties returning a numeric value can be queried using this function.

pub fn get_property_value(&self, prop: &str) -> String

Query a RocksDB instance for a “property” value. The available properties are listed here

pub fn get_property_value_cf(&self, cf: Column, prop: &str) -> String

Query a RocksDB instance scoped to a column family for a “property” value. The available properties are listed here

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

pub fn get_cf_opt(
    &self,
    cf: Column,
    key: &[u8],
    readopts: &ReadOptions
) -> Result<Option<DBVector>, String>

pub fn get_cf(&self, cf: Column, key: &[u8]) -> Result<Option<DBVector>, String>

pub fn create_cf(
    &mut self,
    name: &str,
    opts: &Options
) -> Result<Column, String>

pub fn drop_cf(&mut self, name: &str) -> Result<(), String>

pub fn cf_handle(&self, name: &str) -> Option<Column>

pub fn iterator(&self, mode: IteratorMode<'_>) -> DBIterator

pub fn iterator_opt(
    &self,
    mode: IteratorMode<'_>,
    opts: &ReadOptions
) -> DBIterator

pub fn iterator_cf(
    &self,
    cf_handle: Column,
    mode: IteratorMode<'_>
) -> Result<DBIterator, String>

pub fn iterator_cf_opt(
    &self,
    cf_handle: Column,
    mode: IteratorMode<'_>,
    opts: &ReadOptions
) -> Result<DBIterator, String>

pub fn snapshot(&self) -> Snapshot<'_>

pub fn put_opt(
    &self,
    key: &[u8],
    value: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn put_cf_opt(
    &self,
    cf: Column,
    key: &[u8],
    value: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn merge_opt(
    &self,
    key: &[u8],
    value: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn merge_cf_opt(
    &self,
    cf: Column,
    key: &[u8],
    value: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn delete_opt(
    &self,
    key: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

pub fn delete_cf_opt(
    &self,
    cf: Column,
    key: &[u8],
    writeopts: &WriteOptions
) -> Result<(), String>

Trait Implementations

impl Drop for DB

fn drop(&mut self)

Executes the destructor for this type.

impl Writable for DB

fn put(&self, key: &[u8], value: &[u8]) -> Result<(), String>

fn put_cf(&self, cf: Column, key: &[u8], value: &[u8]) -> Result<(), String>

fn merge(&self, key: &[u8], value: &[u8]) -> Result<(), String>

fn merge_cf(&self, cf: Column, key: &[u8], value: &[u8]) -> Result<(), String>

fn delete(&self, key: &[u8]) -> Result<(), String>

fn delete_cf(&self, cf: Column, key: &[u8]) -> Result<(), String>

impl Send for DB

impl Sync for DB