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>> { ... } }
Expand description
Trait for types that can read RecordBatch
’s.
Required methods
Provided methods
fn next_batch(&mut self) -> Result<Option<RecordBatch>>
[src]
fn next_batch(&mut self) -> Result<Option<RecordBatch>>
[src]👎 Deprecated since 2.0.0:
This method is deprecated in favour of next
from the trait Iterator.
Reads the next RecordBatch
.
Implementors
impl<R: Read + Seek> RecordBatchReader for FileReader<R>
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impl<R: Read + Seek> RecordBatchReader for FileReader<R>
[src]impl<R: Read> RecordBatchReader for StreamReader<R>
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impl<R: Read> RecordBatchReader for StreamReader<R>
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