Struct tikv::storage::kv::BTreeEngineIterator

[+] Show declaration

pub struct BTreeEngineIterator {
    tree: Arc<RwLock<BTreeMap<Key, Vec<u8, Global>>>>,
    cur_key: Option<Key>,
    cur_value: Option<Vec<u8, Global>>,
    valid: bool,
    bounds: (Bound<Key>, Bound<Key>),
}

Fields

tree: Arc<RwLock<BTreeMap<Key, Vec<u8, Global>>>>

cur_key: Option<Key>

cur_value: Option<Vec<u8, Global>>

valid: bool

bounds: (Bound<Key>, Bound<Key>)

Implementations

impl BTreeEngineIterator[−]

pub fn new(
    tree: Arc<RwLock<BTreeMap<Key, Vec<u8, Global>>>>,
    iter_opt: IterOptions
) -> BTreeEngineIterator

Trait Implementations

impl Iterator for BTreeEngineIterator[+]

[+] Show hidden undocumented items

pub fn next(&mut self) -> Result<bool, Error>

pub fn prev(&mut self) -> Result<bool, Error>

pub fn seek(&mut self, key: &Key) -> Result<bool, Error>

pub fn seek_for_prev(&mut self, key: &Key) -> Result<bool, Error>

pub fn seek_to_first(&mut self) -> Result<bool, Error>

pub fn seek_to_last(&mut self) -> Result<bool, Error>

pub fn valid(&self) -> Result<bool, Error>

pub fn key(&self) -> &[u8][−]

Only be called when self.valid() == Ok(true).

pub fn value(&self) -> &[u8][−]

Only be called when self.valid() == Ok(true).

pub fn validate_key(&self, &Key) -> Result<(), Error>