Class IsNullColumnarFilter

java.lang.Object

io.trino.sql.gen.columnar.IsNullColumnarFilter

All Implemented Interfaces:

ColumnarFilter

public final class IsNullColumnarFilter
extends Object
implements ColumnarFilter

Method Summary

Modifier and Type	Method	Description
static Supplier<ColumnarFilter>	createIsNullColumnarFilter(SpecialForm specialForm)
int	filterPositionsList(ConnectorSession session, int[] outputPositions, int[] activePositions, int offset, int size, Page page)
int	filterPositionsRange(ConnectorSession session, int[] outputPositions, int offset, int size, Page page)
InputChannels	getInputChannels()

Methods inherited from class java.lang.Object

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

Method Details

createIsNullColumnarFilter

public static Supplier<ColumnarFilter> createIsNullColumnarFilter(SpecialForm specialForm)

getInputChannels

public InputChannels getInputChannels()

Specified by:

getInputChannels in interface ColumnarFilter

Returns:

InputChannels of input Page that this filter operates on

filterPositionsRange

public int filterPositionsRange(ConnectorSession session,
 int[] outputPositions,
 int offset,
 int size,
 Page page)

Specified by:

filterPositionsRange in interface ColumnarFilter

Parameters:

outputPositions - list of positions active after evaluating this filter on the input loadedPage

offset - start of input positions range evaluated by this filter

size - length of input positions range evaluated by this filter

page - input Page after using ColumnarFilter.getInputChannels() to load only the required channels

Returns:

count of positions active after evaluating this filter on the input loadedPage

filterPositionsList

public int filterPositionsList(ConnectorSession session,
 int[] outputPositions,
 int[] activePositions,
 int offset,
 int size,
 Page page)

Specified by:

filterPositionsList in interface ColumnarFilter

Parameters:

outputPositions - list of positions active after evaluating this filter on the input loadedPage

activePositions - input positions list evaluated by this filter

offset - index in activePositions where the input positions evaluated by this filter start

size - length after offset in activePositions where the input positions evaluated by this filter end

page - input Page after using ColumnarFilter.getInputChannels() to load only the required channels

Returns:

count of positions active after evaluating this filter on the input loadedPage