Package org.apache.drill.exec.record

Class ColumnConverter.DummyColumnConverter

java.lang.Object

org.apache.drill.exec.record.ColumnConverter.DummyColumnConverter

All Implemented Interfaces:

ColumnConverter

Enclosing interface:

ColumnConverter

public static class ColumnConverter.DummyColumnConverter
extends Object
implements ColumnConverter

Does nothing, is used when column is not projected to avoid unnecessary column values conversions and writes.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.exec.record.ColumnConverter

ColumnConverter.ArrayColumnConverter, ColumnConverter.DictColumnConverter, ColumnConverter.DummyColumnConverter, ColumnConverter.MapColumnConverter, ColumnConverter.ScalarColumnConverter

Field Summary

Fields

Modifier and Type	Field	Description
static final ColumnConverter.DummyColumnConverter	INSTANCE

Constructor Summary

Constructors

Constructor	Description
DummyColumnConverter()

Method Summary

Modifier and Type	Method	Description
void	convert(Object value)

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final ColumnConverter.DummyColumnConverter INSTANCE

Constructor Details

DummyColumnConverter

public DummyColumnConverter()

Method Details

convert

public void convert(Object value)

Specified by:

convert in interface ColumnConverter