Package org.apache.orc.impl.filter

Class IsNullFilter

java.lang.Object

org.apache.orc.impl.filter.IsNullFilter

All Implemented Interfaces:

VectorFilter

public class IsNullFilter
extends Object
implements VectorFilter

Constructor Summary

Constructors

Constructor	Description
IsNullFilter(String colName)

Method Summary

Modifier and Type	Method	Description
void	filter(OrcFilterContext fc, Selected bound, Selected selOut)	Filter the vectorized row batch that is wrapped into the FilterContext.

Methods inherited from class java.lang.Object

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

Constructor Details

IsNullFilter

public IsNullFilter(String colName)

Method Details

filter

public void filter(OrcFilterContext fc,
 Selected bound,
 Selected selOut)

Description copied from interface: VectorFilter

Filter the vectorized row batch that is wrapped into the FilterContext.

Specified by:

filter in interface VectorFilter

Parameters:

fc - The filter context that wraps the VectorizedRowBatch

bound - The bound of the scan, it is expected that the filter only operates on the bound and change the selection status of the rows scoped by the bound. The filter is expected to leave the bound unchanged.

selOut - The filter should update the selOut for the elements scoped by bound. The selOut should be sorted in ascending order