Trait arrow::record_batch::RecordBatchReader[−][src]

pub trait RecordBatchReader: Iterator<Item = Result<RecordBatch>> {
    fn schema(&self) -> SchemaRef;

    fn next_batch(&mut self) -> Result<Option<RecordBatch>> { ... }
}

Trait for types that can read RecordBatch’s.

Required methods

`fn schema(&self) -> SchemaRef`[src]

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.

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