Struct CellFragment 

pub struct CellFragment {
    pub offset: usize,
    pub byte_len: usize,
    pub surviving: Vec<(usize, Value)>,
    pub missing: usize,
    pub confidence: f32,
}

A partial deleted record salvaged from a freed-cell reconstruction that failed full-row validation: the maximal decodable column prefix at a structural anchor Database::reconstruct_freeblock_records already trusts.

Deliberately NOT a CarvedCell: it has no rowid (clobbered) and an incomplete value set, so the type system keeps it out of the full-row output — a fragment can never be silently rendered as a recovered row. Emitted only at an anchor where full reconstruction failed but at least one distinctive cell (TEXT ≥ 4 bytes of valid UTF-8, or REAL) decoded cleanly, so a lone coincidental integer pattern never anchors a fragment. Graded FRAGMENT_CONFIDENCE — strictly below every full-row class.

Fields

offset: usize

Byte offset of the failed cell’s anchor within the scanned page slice.

byte_len: usize

Bytes covered by the decoded prefix (anchor to the last decoded body byte).

surviving: Vec<(usize, Value)>

(column_index, value) for each column that decoded cleanly, ascending by index. Column indexes come from the page’s schema template, so they are meaningful against the table’s column order.

missing: usize

Number of the template’s columns that did NOT decode (column_count minus the number of surviving columns).

confidence: f32

Always FRAGMENT_CONFIDENCE for now; the field is kept so future per-fragment grading does not change the public type.

Trait Implementations

impl Clone for CellFragment

fn clone(&self) -> CellFragment

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CellFragment

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

Formats the value using the given formatter.

impl PartialEq for CellFragment

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for CellFragment