public interface ArrowRecordReader extends Closeable
Modifier and Type | Method and Description |
---|---|
long |
bytesRead()
返回读取的字节数
|
org.apache.arrow.vector.VectorSchemaRoot |
read()
读取一个batch的记录
|
org.apache.arrow.vector.VectorSchemaRoot read() throws IOException
VectorSchemaRoot
对象, 读取完成返回nullIOException
- 读取过程发生异常, 发生异常后不可重试long bytesRead()
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