Struct DatabaseStatus 

pub struct DatabaseStatus {
    pub visible_commit_seq: CommitSeq,
    pub last_transaction_id: TransactionId,
    pub live_generation: CheckpointGeneration,
    pub base_byte_size: u64,
    pub log_byte_size: u64,
    pub element_count: usize,
    pub relation_count: usize,
    pub incidence_count: usize,
    pub catalog: CatalogSummary,
}

Snapshot of database status.

Performance

Copying and comparing status is O(1).

Fields

visible_commit_seq: CommitSeq

Last visible commit sequence.

last_transaction_id: TransactionId

Last writer transaction ID burned by this handle.

This value is durable after a dirty commit and session-local after rollback.

live_generation: CheckpointGeneration

Live base generation named by the superblock (the count of folds this store has undergone; gen-0 is the freshly created store).

base_byte_size: u64

On-disk byte size of the live base file.

log_byte_size: u64

On-disk byte size of the live delta-log (the tail recovery replays and the auto-checkpoint policy weighs against the base size).

element_count: usize

Visible element count.

relation_count: usize

Visible relation count.

incidence_count: usize

Visible incidence count.

catalog: CatalogSummary

Catalog-size summary.

Trait Implementations

impl Clone for DatabaseStatus

fn clone(&self) -> DatabaseStatus

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for DatabaseStatus

impl Debug for DatabaseStatus

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

Formats the value using the given formatter.

impl Eq for DatabaseStatus

impl PartialEq for DatabaseStatus

fn eq(&self, other: &DatabaseStatus) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for DatabaseStatus