Package | Description |
---|---|
com.aliyun.odps.tunnel |
ODPS Tunnel服务用于上传、下载数据到ODPS
|
com.aliyun.odps.tunnel.io |
提供通过Tunnel读写数据的Reader、Writer
|
Modifier and Type | Method and Description |
---|---|
RecordPack |
TableTunnel.UploadSession.newRecordPack(CompressOption option)
新建一个 ProtobufRecordPack,数据压缩方式 option
|
RecordPack |
TableTunnel.UploadSession.newRecordPack(int capacity,
CompressOption option)
新建一个 ProtobufRecordPack,预设流 buffer 大小为 capacity, 数据压缩方式 option
|
RecordWriter |
TableTunnel.UploadSession.openBufferedWriter(CompressOption compressOption)
打开
TunnelBufferedWriter 用来写入数据 |
InputStream |
VolumeFSTunnel.openInputStream(String project,
String path,
Long start,
Long end,
CompressOption compressOption)
Create an InputStream at the indicated Path
|
OutputStream |
VolumeFSTunnel.openOutputStream(String project,
String path,
Integer replication,
CompressOption compressOption)
Create an OutputStream at the indicated Path
|
TunnelRecordReader |
TableTunnel.DownloadSession.openRecordReader(long start,
long count,
CompressOption compress)
打开
RecordReader 用来读取记录 |
TunnelRecordReader |
InstanceTunnel.DownloadSession.openRecordReader(long start,
long count,
CompressOption compress)
打开
RecordReader 用来读取记录 |
TunnelRecordReader |
TableTunnel.DownloadSession.openRecordReader(long start,
long count,
CompressOption compress,
List<Column> columns)
打开
RecordReader 用来读取记录 |
TunnelRecordReader |
InstanceTunnel.DownloadSession.openRecordReader(long start,
long count,
CompressOption compress,
List<Column> columns)
打开
RecordReader 用来读取记录 |
RecordWriter |
TableTunnel.UploadSession.openRecordWriter(long blockId,
CompressOption compress)
打开
RecordWriter 用来写入数据 |
Modifier and Type | Method and Description |
---|---|
CompressOption |
ProtobufRecordPack.getCompressOption() |
Modifier and Type | Method and Description |
---|---|
static RawTunnelRecordReader |
RawTunnelRecordReader.createInstanceTunnelReader(long start,
long count,
CompressOption compress,
List<Column> columns,
com.aliyun.odps.rest.RestClient restClient,
InstanceTunnel.DownloadSession session) |
static RawTunnelRecordReader |
RawTunnelRecordReader.createTableTunnelReader(long start,
long count,
CompressOption compress,
List<Column> columns,
com.aliyun.odps.rest.RestClient restClient,
TableTunnel.DownloadSession session)
创建不可靠的 tunnel record reader
|
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