Enum tikv::storage::txn::store::TxnEntry

[−] Show declaration

pub enum TxnEntry {
    Prewrite {
        default: KvPair,
        lock: KvPair,
        old_value: Option<Value>,
    },
    Commit {
        default: KvPair,
        write: KvPair,
        old_value: Option<Value>,
    },
}

[−] Expand description

A transaction entry in underlying storage.

Variants

Prewrite

[−] Show fields

Fields of Prewrite

default: KvPairlock: KvPairold_value: Option<Value>

Commit

[−] Show fields

Fields of Commit

default: KvPairwrite: KvPairold_value: Option<Value>

Implementations

impl TxnEntry[−]

pub fn into_kvpair(self) -> Result<(Vec<u8>, Vec<u8>)>[−]

This method will return a kv pair whose content and encode are same as a kv pair reture by StoreScanner::next

pub fn to_key(&self) -> Result<Key>[−]

This method will generate this kv pair’s key

pub fn size(&self) -> usize

Trait Implementations

impl Clone for TxnEntry[+]

[+] Show hidden undocumented items

fn clone(&self) -> TxnEntry[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Debug for TxnEntry[+]

[+] Show hidden undocumented items

fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.

impl PartialEq<TxnEntry> for TxnEntry[+]

[+] Show hidden undocumented items

fn eq(&self, other: &TxnEntry) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &TxnEntry) -> bool[−]

This method tests for !=.

impl StructuralPartialEq for TxnEntry