org.apache.hudi.source.prune

Class DataPruner

java.lang.Object

org.apache.hudi.source.prune.DataPruner

All Implemented Interfaces:

Serializable

public class DataPruner
extends Object
implements Serializable

Utility to do data skipping.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static Map<String,ColumnStats>	convertColumnStats(org.apache.flink.table.data.RowData indexRow, org.apache.flink.table.types.logical.RowType.RowField[] queryFields)
String[]	getReferencedCols()
static DataPruner	newInstance(List<org.apache.flink.table.expressions.ResolvedExpression> filters)
boolean	test(org.apache.flink.table.data.RowData indexRow, org.apache.flink.table.types.logical.RowType.RowField[] queryFields) Filters the index row with specific data filters and query fields.

Methods inherited from class java.lang.Object

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

Method Detail

test

public boolean test(org.apache.flink.table.data.RowData indexRow,
                    org.apache.flink.table.types.logical.RowType.RowField[] queryFields)

Filters the index row with specific data filters and query fields.

Parameters:

indexRow - The index row

queryFields - The query fields referenced by the filters

Returns:

true if the index row should be considered as a candidate

getReferencedCols

public String[] getReferencedCols()

newInstance

@Nullable
public static DataPruner newInstance(List<org.apache.flink.table.expressions.ResolvedExpression> filters)

convertColumnStats

public static Map<String,ColumnStats> convertColumnStats(org.apache.flink.table.data.RowData indexRow,
                                                         org.apache.flink.table.types.logical.RowType.RowField[] queryFields)