Struct DynSchema 

pub struct DynSchema {
    pub schema: SchemaRef,
}

A runtime Arrow schema wrapper used by the unified facade.

Fields

schema: SchemaRef

The underlying arrow_schema::SchemaRef.

Implementations

impl DynSchema

pub fn new(schema: Schema) -> Self

Construct from owned Schema.

pub fn from_ref(schema: SchemaRef) -> Self

Construct from an existing SchemaRef.

pub fn iter_views<'a>( &'a self, batch: &'a RecordBatch, ) -> Result<DynRowViews<'a>, DynViewError>

Create a dynamic row view iterator over batch, validating shapes first.

Errors

Returns DynViewError if the batch schema does not match this schema.

pub fn view_at<'a>( &'a self, batch: &'a RecordBatch, row: usize, ) -> Result<DynRowView<'a>, DynViewError>

Borrow a single row from batch at row as a dynamic view.

Errors

Returns DynViewError if the batch schema mismatches this schema or if the requested row index is out of bounds.

Trait Implementations

impl Clone for DynSchema

fn clone(&self) -> DynSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DynSchema

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

Formats the value using the given formatter.