Struct LogCheckpoint 

pub struct LogCheckpoint {
    pub number: u64,
    pub lsn: u64,
    pub offset: u32,
    pub buf_size: u32,
    pub archived_lsn: u64,
}

Checkpoint record (blocks 1 and 3 of the redo log file).

Fields

number: u64

Checkpoint sequence number.

lsn: u64

LSN at the time of this checkpoint.

offset: u32

Byte offset of the checkpoint within the log file.

buf_size: u32

Log buffer size at checkpoint time.

archived_lsn: u64

LSN up to which log has been archived.

Implementations

impl LogCheckpoint

pub fn parse(block: &[u8]) -> Option<Self>

Parse a checkpoint from a 512-byte block.

Trait Implementations

impl Clone for LogCheckpoint

fn clone(&self) -> LogCheckpoint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LogCheckpoint

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

Formats the value using the given formatter.

impl Serialize for LogCheckpoint

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.