com.aliyun.odps.data

Interface ArrowRecordReader

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

ArrowTunnelRecordReader

public interface ArrowRecordReader
extends Closeable

Method Summary

Modifier and Type	Method and Description
org.apache.arrow.vector.VectorSchemaRoot	read() 读取一个batch的记录

Methods inherited from interface java.io.Closeable

close

Method Detail

read

org.apache.arrow.vector.VectorSchemaRoot read()
                                       throws IOException

读取一个batch的记录

Returns:

VectorSchemaRoot 成功读到记录返回VectorSchemaRoot对象, 读取完成返回null

Throws:

IOException - 读取过程发生异常, 发生异常后不可重试