Struct ReadTransaction

pub struct ReadTransaction<F> {
    pub id: u64,
    pub max_frame_no: u64,
    pub max_offset: u64,
    pub db_size: u32,
    pub current: Arc<CurrentSegment<F>>,
    pub created_at: Instant,
    pub conn_id: u64,
    pub pages_read: usize,
    pub namespace: NamespaceName,
    pub checkpoint_notifier: Sender<CheckpointMessage>,
}

Fields

id: u64

max_frame_no: u64

Max frame number that this transaction can read

max_offset: u64

db_size: u32

current: Arc<CurrentSegment<F>>

The segment to which we have a read lock

created_at: Instant

conn_id: u64

pages_read: usize

number of pages read by this transaction. This is used to determine whether a write lock will be re-acquired.

namespace: NamespaceName

checkpoint_notifier: Sender<CheckpointMessage>

Trait Implementations

impl<F> Clone for ReadTransaction<F>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<F> Drop for ReadTransaction<F>

fn drop(&mut self)

Executes the destructor for this type.

impl<T> From<ReadTransaction<T>> for Transaction<T>

fn from(value: ReadTransaction<T>) -> Self

Converts to this type from the input type.