Struct Savepoint 

pub struct Savepoint {
    pub name: String,
    pub txn_id: u64,
    pub lsn: u64,
    pub created_at: u64,
    pub lock_count: usize,
    pub write_set_index: usize,
    pub depth: usize,
}

A savepoint within a transaction

Fields

name: String

Savepoint name

txn_id: u64

Transaction ID

lsn: u64

LSN when savepoint was created

created_at: u64

Timestamp when created

lock_count: usize

Lock count at savepoint (for lock release)

write_set_index: usize

Write set index at savepoint (for partial rollback)

depth: usize

Nested savepoint depth

Implementations

impl Savepoint

pub fn new( name: String, txn_id: u64, lsn: u64, lock_count: usize, write_set_index: usize, depth: usize, ) -> Savepoint

Create new savepoint

Trait Implementations

impl Clone for Savepoint

fn clone(&self) -> Savepoint

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Savepoint

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

Formats the value using the given formatter.