Class DictionaryAwareColumnarFilter

java.lang.Object

io.trino.sql.gen.columnar.DictionaryAwareColumnarFilter

All Implemented Interfaces:

ColumnarFilter

public final class DictionaryAwareColumnarFilter
extends Object
implements ColumnarFilter

Constructor Summary

Constructors

Constructor	Description
DictionaryAwareColumnarFilter(ColumnarFilter columnarFilter)

Method Summary

Modifier and Type	Method	Description
int	filterPositionsList(ConnectorSession session, int[] outputPositions, int[] activePositions, int offset, int size, Page loadedPage)
int	filterPositionsRange(ConnectorSession session, int[] outputPositions, int offset, int size, Page loadedPage)
InputChannels	getInputChannels()

Methods inherited from class java.lang.Object

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

Constructor Details

DictionaryAwareColumnarFilter

public DictionaryAwareColumnarFilter(ColumnarFilter columnarFilter)

Method Details

filterPositionsRange

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

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

loadedPage - 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 loadedPage)

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

loadedPage - 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

getInputChannels

public InputChannels getInputChannels()

Specified by:

getInputChannels in interface ColumnarFilter

Returns:

InputChannels of input Page that this filter operates on