Struct rocks::db::ColumnFamilyHandle

pub struct ColumnFamilyHandle<'a, 'b: 'a> { /* fields omitted */ }

Handle for a opened column family

Methods

impl<'a, 'b: 'a> ColumnFamilyHandle<'a, 'b>

fn name(&self) -> &str

Returns the name of the column family associated with the current handle.

fn id(&self) -> u32

Returns the ID of the column family associated with the current handle.

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

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

fn single_delete(&self, options: &WriteOptions, key: &[u8]) -> Result<()>

fn delete_range(
    &self,
    options: &WriteOptions,
    begin_key: &[u8],
    end_key: &[u8]
) -> Result<()>

fn merge(&self, options: &WriteOptions, key: &[u8], val: &[u8]) -> Result<()>

fn get(&self, options: &ReadOptions, key: &[u8]) -> Result<PinnableSlice>

fn multi_get(
    &self,
    options: &ReadOptions,
    keys: &[&[u8]]
) -> Vec<Result<CVec<u8>>>

fn key_may_exist(&self, options: &ReadOptions, key: &[u8]) -> bool

fn key_may_get(
    &self,
    options: &ReadOptions,
    key: &[u8]
) -> (bool, Option<CVec<u8>>)

fn new_iterator(&self, options: &ReadOptions) -> Iterator

fn get_property(&self, property: &str) -> Option<String>

fn get_int_property(&self, property: &str) -> Option<u64>

fn compact_range<R: ToCompactRange>(
    &self,
    options: &CompactRangeOptions,
    range: R
) -> Result<()>

Trait Implementations

impl<'a, 'b> Drop for ColumnFamilyHandle<'a, 'b>

fn drop(&mut self)

A method called when the value goes out of scope.

impl<'a, 'b> AsRef<ColumnFamilyHandle<'a, 'b>> for ColumnFamilyHandle<'a, 'b>

fn as_ref(&self) -> &ColumnFamilyHandle<'a, 'b>

Performs the conversion.

impl<'a, 'b> Debug for ColumnFamilyHandle<'a, 'b>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.