org.apache.parquet.filter2.recordlevel

Class FilteringGroupConverter

java.lang.Object

org.apache.parquet.io.api.Converter

org.apache.parquet.io.api.GroupConverter

org.apache.parquet.filter2.recordlevel.FilteringGroupConverter

public class FilteringGroupConverter
extends GroupConverter

See FilteringRecordMaterializer

Constructor Summary

Constructors

Constructor and Description
FilteringGroupConverter(GroupConverter delegate, List<Integer> indexFieldPath, Map<ColumnPath,List<IncrementallyUpdatedFilterPredicate.ValueInspector>> valueInspectorsByColumn, Map<List<Integer>,PrimitiveColumnIO> columnIOsByIndexFieldPath)

Method Summary

Modifier and Type	Method and Description
void	end() call at the end of the group
Converter	getConverter(int fieldIndex) called at initialization based on schema must consistently return the same object
void	start() called at the beginning of the group managed by this converter

Methods inherited from class org.apache.parquet.io.api.GroupConverter

asGroupConverter, isPrimitive

Methods inherited from class org.apache.parquet.io.api.Converter

asPrimitiveConverter

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringGroupConverter

public FilteringGroupConverter(GroupConverter delegate,
                               List<Integer> indexFieldPath,
                               Map<ColumnPath,List<IncrementallyUpdatedFilterPredicate.ValueInspector>> valueInspectorsByColumn,
                               Map<List<Integer>,PrimitiveColumnIO> columnIOsByIndexFieldPath)

Method Detail

getConverter

public Converter getConverter(int fieldIndex)

Description copied from class: GroupConverter

called at initialization based on schema must consistently return the same object

Specified by:

getConverter in class GroupConverter

Parameters:

fieldIndex - index of the field in this group

Returns:

the corresponding converter

start

public void start()

Description copied from class: GroupConverter

called at the beginning of the group managed by this converter

Specified by:

start in class GroupConverter

end

public void end()

Description copied from class: GroupConverter

call at the end of the group

Specified by:

end in class GroupConverter