Struct RollbackJournalSource 

pub struct RollbackJournalSource {
    pub segment: usize,
    pub pgno: u32,
    pub header_state: JournalHeaderState,
    pub checksum_valid: Option<bool>,
}

Provenance for a record recovered from a rollback journal (design §5): where in the journal its page image lived and how trustworthy the parse was. Copy (all fields are scalar) so it threads through the existing attribution → output pipeline exactly like WalProvenance; the journal’s path is supplied once at the API boundary, not duplicated per row.

Fields

segment: usize

0-based journal segment the page image came from.

pgno: u32

1-based database page number the prior image restored.

header_state: JournalHeaderState

Whether the header was intact (Tier A) or reconstructed (Tier B).

checksum_valid: Option<bool>

Some(true/false) when the page checksum could be verified (Tier A); None in Tier B (nonce zeroed).

Trait Implementations

impl Clone for RollbackJournalSource

fn clone(&self) -> RollbackJournalSource

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RollbackJournalSource

impl Debug for RollbackJournalSource

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

Formats the value using the given formatter.

impl Eq for RollbackJournalSource

impl PartialEq for RollbackJournalSource

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RollbackJournalSource