Package org.apache.drill.exec.record

Class ColumnConverter.MapColumnConverter

java.lang.Object

org.apache.drill.exec.record.ColumnConverter.MapColumnConverter

All Implemented Interfaces:

ColumnConverter

Enclosing interface:

ColumnConverter

public static class ColumnConverter.MapColumnConverter
extends Object
implements ColumnConverter

Converts and writes all map children using provided converters. If converters are empty, generates their converters based on specified schema.

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

Constructor Summary

Constructors

Constructor	Description
MapColumnConverter(ColumnConverterFactory factory, TupleMetadata providedSchema, TupleWriter tupleWriter, Map<String,ColumnConverter> converters)

Method Summary

Modifier and Type	Method	Description
void	convert(Object value)
protected TypeProtos.MinorType	getScalarMinorType(Class<?> clazz)

Methods inherited from class java.lang.Object

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

Constructor Details

MapColumnConverter

public MapColumnConverter(ColumnConverterFactory factory,
 TupleMetadata providedSchema,
 TupleWriter tupleWriter,
 Map<String,ColumnConverter> converters)

Method Details

convert

public void convert(Object value)

Specified by:

convert in interface ColumnConverter

getScalarMinorType

protected TypeProtos.MinorType getScalarMinorType(Class<?> clazz)