org.apache.parquet.filter2.compat

Class RowGroupFilter

java.lang.Object

org.apache.parquet.filter2.compat.RowGroupFilter

All Implemented Interfaces:

FilterCompat.Visitor<List<BlockMetaData>>

public class RowGroupFilter
extends Object
implements FilterCompat.Visitor<List<BlockMetaData>>

Given a FilterCompat.Filter applies it to a list of BlockMetaData (row groups) If the Filter is an UnboundRecordFilter or the no op filter, no filtering will be performed.

Method Summary

Methods

Modifier and Type	Method and Description
static List<BlockMetaData>	filterRowGroups(FilterCompat.Filter filter, List<BlockMetaData> blocks, MessageType schema)
List<BlockMetaData>	visit(FilterCompat.FilterPredicateCompat filterPredicateCompat)
List<BlockMetaData>	visit(FilterCompat.NoOpFilter noOpFilter)
List<BlockMetaData>	visit(FilterCompat.UnboundRecordFilterCompat unboundRecordFilterCompat)

Methods inherited from class java.lang.Object

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

Method Detail

filterRowGroups

public static List<BlockMetaData> filterRowGroups(FilterCompat.Filter filter,
                                  List<BlockMetaData> blocks,
                                  MessageType schema)

visit

public List<BlockMetaData> visit(FilterCompat.FilterPredicateCompat filterPredicateCompat)

Specified by:

visit in interface FilterCompat.Visitor<List<BlockMetaData>>

visit

public List<BlockMetaData> visit(FilterCompat.UnboundRecordFilterCompat unboundRecordFilterCompat)

Specified by:

visit in interface FilterCompat.Visitor<List<BlockMetaData>>

visit

public List<BlockMetaData> visit(FilterCompat.NoOpFilter noOpFilter)

Specified by:

visit in interface FilterCompat.Visitor<List<BlockMetaData>>