Struct JournalPageImage 

pub struct JournalPageImage {
    pub pgno: u32,
    pub segment: usize,
    pub bytes: Vec<u8>,
    pub checksum_valid: Option<bool>,
}

One pre-transaction page image recovered from a rollback journal (design §5).

Fields

pgno: u32

1-based database page number this image restores.

segment: usize

0-based segment index this record came from.

bytes: Vec<u8>

The original page content (page_size bytes).

checksum_valid: Option<bool>

Some(true/false) in Tier A (nonce known) — whether the stored checksum matched; None in Tier B (nonce zeroed, unverifiable).

Trait Implementations

impl Clone for JournalPageImage

fn clone(&self) -> JournalPageImage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JournalPageImage

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

Formats the value using the given formatter.

impl Eq for JournalPageImage

impl PartialEq for JournalPageImage

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for JournalPageImage