Enum RowMetadata 

pub enum RowMetadata {
    Static {
        columns: Arc<[ColumnMetadata]>,
    },
    Repeat {
        start: RepeatBoundMetadata,
        end: RepeatBoundMetadata,
        columns: Arc<[ColumnMetadata]>,
        forward_cols: Arc<[usize]>,
        normal_cols: Arc<[usize]>,
    },
}

Pre-compiled row metadata (computed at parse time)

Variants

Static

Fields

columns: Arc<[ColumnMetadata]>

Repeat

Fields

start: RepeatBoundMetadata

end: RepeatBoundMetadata

columns: Arc<[ColumnMetadata]>

forward_cols: Arc<[usize]>

Pre-computed set of forward-referencing column names (transitive closure)

normal_cols: Arc<[usize]>

Pre-computed normal columns in schema order

Trait Implementations

impl Clone for RowMetadata

fn clone(&self) -> RowMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RowMetadata

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

Formats the value using the given formatter.