com.aliyun.odps.table.read.impl.batch

Class TableBatchReadSessionImpl

java.lang.Object

com.aliyun.odps.table.read.impl.batch.TableBatchReadSessionBase

com.aliyun.odps.table.read.impl.batch.TableBatchReadSessionImpl

All Implemented Interfaces:

TableBatchReadSession, TableReadSession, Session, Serializable

public class TableBatchReadSessionImpl
extends TableBatchReadSessionBase

See Also:

Serialized Form

Nested Class Summary

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

Session.Provider

Constructor Summary

Constructors

Constructor and Description
TableBatchReadSessionImpl(TableIdentifier identifier, List<PartitionSpec> requiredPartitions, List<String> requiredDataColumns, List<String> requiredPartitionColumns, List<Integer> bucketIds, SplitOptions splitOptions, ArrowOptions arrowOptions, EnvironmentSettings settings, Predicate filterPredicate)
TableBatchReadSessionImpl(TableIdentifier identifier, String sessionId, EnvironmentSettings settings)

Method Summary

Modifier and Type	Method and Description
SplitReader<org.apache.arrow.vector.VectorSchemaRoot>	createArrowReader(InputSplit split, ReaderOptions options) Returns a arrow data reader SplitReader to do the actual reading work.
SplitReader<ArrayRecord>	createRecordReader(InputSplit split, ReaderOptions options) Returns a record data reader SplitReader to do the actual reading work.
boolean	supportsDataFormat(DataFormat dataFormat) Returns whether the data format is supported by this table read session.

Methods inherited from class com.aliyun.odps.table.read.impl.batch.TableBatchReadSessionBase

getId, getInputSplitAssigner, getStatus, getTableIdentifier, readSchema

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

getType

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

description

Constructor Detail

TableBatchReadSessionImpl

public TableBatchReadSessionImpl(TableIdentifier identifier,
                                 String sessionId,
                                 EnvironmentSettings settings)
                          throws IOException

Throws:

IOException

TableBatchReadSessionImpl

public TableBatchReadSessionImpl(TableIdentifier identifier,
                                 List<PartitionSpec> requiredPartitions,
                                 List<String> requiredDataColumns,
                                 List<String> requiredPartitionColumns,
                                 List<Integer> bucketIds,
                                 SplitOptions splitOptions,
                                 ArrowOptions arrowOptions,
                                 EnvironmentSettings settings,
                                 Predicate filterPredicate)
                          throws IOException

Throws:

IOException

Method Detail

createArrowReader

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

Description copied from interface: TableBatchReadSession

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

Throws:

IOException

createRecordReader

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

Description copied from interface: TableBatchReadSession

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

Throws:

IOException

supportsDataFormat

public boolean supportsDataFormat(DataFormat dataFormat)

Description copied from interface: TableReadSession

Returns whether the data format is supported by this table read session.