io.prestosql.plugin.hive

Class HiveRecordCursorProvider.ReaderRecordCursorWithProjections

java.lang.Object

io.prestosql.plugin.hive.HiveRecordCursorProvider.ReaderRecordCursorWithProjections

Enclosing interface:

HiveRecordCursorProvider

public static class HiveRecordCursorProvider.ReaderRecordCursorWithProjections
extends Object

A wrapper class for - delegate reader record cursor and - projection information for columns to be returned by the delegate Empty indicates that the delegate cursor reads the exact same columns provided to it in HiveRecordCursorProvider.createRecordCursor(org.apache.hadoop.conf.Configuration, io.prestosql.spi.connector.ConnectorSession, org.apache.hadoop.fs.Path, long, long, long, java.util.Properties, java.util.List<io.prestosql.plugin.hive.HiveColumnHandle>, io.prestosql.spi.predicate.TupleDomain<io.prestosql.plugin.hive.HiveColumnHandle>, org.joda.time.DateTimeZone, io.prestosql.spi.type.TypeManager, boolean)

Constructor Summary

Constructors

Constructor and Description
ReaderRecordCursorWithProjections(RecordCursor recordCursor, Optional<ReaderProjections> projectedReaderColumns)

Method Summary

Modifier and Type	Method and Description
Optional<ReaderProjections>	getProjectedReaderColumns()
RecordCursor	getRecordCursor()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderRecordCursorWithProjections

public ReaderRecordCursorWithProjections(RecordCursor recordCursor,
                                         Optional<ReaderProjections> projectedReaderColumns)

Method Detail

getRecordCursor

public RecordCursor getRecordCursor()

getProjectedReaderColumns

public Optional<ReaderProjections> getProjectedReaderColumns()