Struct Typed 

pub struct Typed<R> { /* private fields */ }

Marker type for a compile-time typed schema R.

Trait Implementations

impl<R> Default for Typed<R>

fn default() -> Self

Returns the “default value” for a type.

impl<R> SchemaLike for Typed<R>

where R: SchemaMeta + BuildRows,

Typed schema: compile-time path.

type Row = R

The row type produced/consumed for this schema.

type Builders = TypedBuilders<R>

Concrete builders used to accumulate rows into columns.

fn schema_ref(&self) -> Arc<Schema>

Return a shared reference to the underlying Arrow Schema.

fn new_builders(&self, capacity: usize) -> Self::Builders

Create new column builders with a given capacity hint.

fn build_batch<I>( &self, rows: I, ) -> Result<RecordBatch, <Self::Builders as BuildersLike>::Error>

where I: IntoIterator<Item = Self::Row>,

Build a RecordBatch from an iterator of rows.