Struct RowInstance 

pub struct RowInstance {
    pub identity: Arc<SpecIdentity>,
    pub origin: RowOrigin,
    pub bindings: Box<[Option<RowBinding>]>,
}

A row instance: its spec, where it came from, and its bound fields.

bindings are positional over the row spec’s template plan data slots (index = template.data.get_index_of). A slot that is None reads the template’s own default or is missing.

Fields

identity: Arc<SpecIdentity>

origin: RowOrigin

bindings: Box<[Option<RowBinding>]>

Implementations

impl RowInstance

pub fn get_binding( &self, template: &ExecutionPlan, path: &DataPath, ) -> Option<&RowBinding>

pub fn structural_byte_size(&self) -> usize

Upper-bound byte size of the row’s bound fields; see ValueKind::structural_byte_size.

Trait Implementations

impl Clone for RowInstance

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 RowInstance

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

Formats the value using the given formatter.