Struct parity_db::Db

pub struct Db { /* private fields */ }

Implementations

impl Db

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

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

Open the database with given options.

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

Create the database using given options.

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

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

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

pub fn iter(&self, col: u8) -> Result<BTreeIterator<'_>>

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

pub fn commit_changes<I>(&self, tx: I) -> Result<()>where
    I: IntoIterator<Item = (u8, Operation<Vec<u8>, Vec<u8>>)>,

pub fn num_columns(&self) -> u8

pub fn write_stats_text(
    &self,
    writer: &mut impl Write,
    column: Option<u8>
) -> Result<()>

pub fn clear_stats(&self, column: Option<u8>) -> Result<()>

pub fn dump(&self, check_param: CheckOptions) -> Result<()>

pub fn stats(&self) -> StatSummary

pub fn add_column(
    options: &mut Options,
    new_column_options: ColumnOptions
) -> Result<()>

Add a new column with options specified by new_column_options.

Trait Implementations

impl Drop for Db

fn drop(&mut self)

Executes the destructor for this type.