Package org.apache.orc.impl.mask

Class MapIdentity

java.lang.Object

org.apache.orc.impl.mask.MapIdentity

All Implemented Interfaces:

DataMask

public class MapIdentity
extends Object
implements DataMask

A data mask for map types that applies the given masks to its children, but doesn't mask at this level.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.orc.DataMask

DataMask.Factory, DataMask.MaskOverrides, DataMask.Provider, DataMask.Standard

Method Summary

Modifier and Type	Method	Description
void	maskData(org.apache.hadoop.hive.ql.exec.vector.ColumnVector original, org.apache.hadoop.hive.ql.exec.vector.ColumnVector masked, int start, int length)	Mask the given range of values

Methods inherited from class java.lang.Object

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

Method Details

maskData

public void maskData(org.apache.hadoop.hive.ql.exec.vector.ColumnVector original,
 org.apache.hadoop.hive.ql.exec.vector.ColumnVector masked,
 int start,
 int length)

Description copied from interface: DataMask

Mask the given range of values

Specified by:

maskData in interface DataMask

Parameters:

original - the original input data

masked - the masked output data

start - the first data element to mask

length - the number of data elements to mask