com.aliyun.odps.table.read

Interface TableBatchReadSession

All Superinterfaces:

Serializable, Session, TableReadSession

All Known Implementing Classes:

TableBatchReadSessionBase, TableBatchReadSessionImpl

public interface TableBatchReadSession
extends TableReadSession

A logical representation of a maxcompute table batch read session.

Nested Class Summary

Nested classes/interfaces inherited from interface com.aliyun.odps.table.Session

Session.Provider

Method Summary

Modifier and Type	Method and Description
default SplitReader<org.apache.arrow.vector.VectorSchemaRoot>	createArrowReader(InputSplit split, ReaderOptions options) Returns a arrow data reader SplitReader to do the actual reading work.
default SplitReader<ArrayRecord>	createRecordReader(InputSplit split, ReaderOptions options) Returns a record data reader SplitReader to do the actual reading work.
InputSplitAssigner	getInputSplitAssigner() Return the input split assigner InputSplitAssigner of this table batch read session.
default SessionType	getType() Returns the type for table session.

Methods inherited from interface com.aliyun.odps.table.read.TableReadSession

readSchema, supportsDataFormat

Methods inherited from interface com.aliyun.odps.table.Session

description, getId, getStatus, getTableIdentifier

Method Detail

getInputSplitAssigner

InputSplitAssigner getInputSplitAssigner()
                                  throws IOException

Return the input split assigner InputSplitAssigner of this table batch read session.

Throws:

IOException

createRecordReader

default SplitReader<ArrayRecord> createRecordReader(InputSplit split,
                                                    ReaderOptions options)
                                             throws IOException

Returns a record data reader SplitReader to do the actual reading work.

Throws:

IOException

createArrowReader

default SplitReader<org.apache.arrow.vector.VectorSchemaRoot> createArrowReader(InputSplit split,
                                                                                ReaderOptions options)
                                                                         throws IOException

Returns a arrow data reader SplitReader to do the actual reading work.

Throws:

IOException

getType

default SessionType getType()

Description copied from interface: Session

Returns the type for table session.

Specified by:

getType in interface Session