[−][src]Trait arrow::record_batch::RecordBatchReader
Trait for types that can read RecordBatch
's.
Required methods
fn schema(&self) -> SchemaRef
Returns the schema of this RecordBatchReader
.
Implementation of this trait should guarantee that all RecordBatch
's returned by this
reader should have the same schema as returned from this method.
fn next_batch(&mut self) -> Result<Option<RecordBatch>>
Reads the next RecordBatch
.