[−][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.
Provided methods
fn next_batch(&mut self) -> Result<Option<RecordBatch>>
👎 Deprecated since 2.0.0:
This method is deprecated in favour of next
from the trait Iterator.
Reads the next RecordBatch
.