org.apache.paimon.reader

Interface FileRecordReader<T>

All Superinterfaces:

AutoCloseable, Closeable, RecordReader<T>

All Known Implementing Classes:

ApplyBitmapIndexRecordReader, ApplyDeletionVectorReader, DataFileRecordReader, EmptyFileRecordReader, KeyValueDataFileRecordReader, VectorizedParquetRecordReader

public interface FileRecordReader<T>
extends RecordReader<T>

A RecordReader to support returning FileRecordIterator.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.paimon.reader.RecordReader

RecordReader.RecordIterator<T>

Method Summary

Modifier and Type	Method and Description
FileRecordIterator<T>	readBatch() Reads one batch.

Methods inherited from interface org.apache.paimon.reader.RecordReader

close, filter, forEachRemaining, forEachRemainingWithPosition, toCloseableIterator, transform

Method Detail

readBatch

@Nullable
FileRecordIterator<T> readBatch()
                                   throws IOException

Description copied from interface: RecordReader

Reads one batch. The method should return null when reaching the end of the input.

The returned iterator object and any contained objects may be held onto by the source for some time, so it should not be immediately reused by the reader.

Specified by:

readBatch in interface RecordReader<T>

Throws:

IOException