Struct SchemaMappingCandidate 

pub struct SchemaMappingCandidate {
    pub spec: MappingSpec,
    pub unmapped: Vec<UnmappedColumn>,
    pub guesses: Vec<String>,
}

The outcome of MappingSpec::from_arrow_schema — a candidate mapping plus the honest accounting of what the generator guessed and what it could not map.

Honest by construction: unmapped + every field the spec references cover every input column. A reviewer reads guesses to see what to check and unmapped to see what to add by hand; nothing was silently dropped.

Fields

spec: MappingSpec

The generated candidate mapping — emit it with MappingSpec::to_ron.

unmapped: Vec<UnmappedColumn>

Columns the generator could not map to a scalar graph property (nested / complex Arrow types). Surfaced for a human, never dropped.

guesses: Vec<String>

Every role the generator GUESSED (the id column, each FK edge) — the review checklist.

Implementations

impl SchemaMappingCandidate

pub fn is_fully_mapped(&self) -> bool

true when the generator mapped every column with no unmapped residue (there may still be guesses to review).

pub fn to_ron(&self) -> Result<String>

Render the candidate spec to RON (convenience for spec.to_ron()).

Trait Implementations

impl Clone for SchemaMappingCandidate

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaMappingCandidate

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

Formats the value using the given formatter.