Package io.trino.operator

Class FlatHashStrategy

java.lang.Object

io.trino.operator.FlatHashStrategy

public class FlatHashStrategy
extends Object

Constructor Summary

Constructors

Constructor	Description
FlatHashStrategy(List<Type> types, TypeOperators typeOperators)

Method Summary

Modifier and Type	Method	Description
int	getTotalFlatFixedLength()
int	getTotalVariableWidth(Block[] blocks, int position)
long	hash(byte[] fixedChunk, int fixedOffset, byte[] variableChunk)
long	hash(Block[] blocks, int position)
boolean	isAnyVariableWidth()
void	readFlat(byte[] fixedChunk, int fixedOffset, byte[] variableChunk, int variableOffset, BlockBuilder[] blockBuilders)
boolean	valueNotDistinctFrom(byte[] leftFixedChunk, int leftFixedOffset, byte[] leftVariableChunk, Block[] rightBlocks, int rightPosition)
void	writeFlat(Block[] blocks, int position, byte[] fixedChunk, int fixedOffset, byte[] variableChunk, int variableOffset)

Methods inherited from class java.lang.Object

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

Constructor Details

FlatHashStrategy

public FlatHashStrategy(List<Type> types,
 TypeOperators typeOperators)

Method Details

isAnyVariableWidth

public boolean isAnyVariableWidth()

getTotalFlatFixedLength

public int getTotalFlatFixedLength()

getTotalVariableWidth

public int getTotalVariableWidth(Block[] blocks,
 int position)

readFlat

public void readFlat(byte[] fixedChunk,
 int fixedOffset,
 byte[] variableChunk,
 int variableOffset,
 BlockBuilder[] blockBuilders)

writeFlat

public void writeFlat(Block[] blocks,
 int position,
 byte[] fixedChunk,
 int fixedOffset,
 byte[] variableChunk,
 int variableOffset)

valueNotDistinctFrom

public boolean valueNotDistinctFrom(byte[] leftFixedChunk,
 int leftFixedOffset,
 byte[] leftVariableChunk,
 Block[] rightBlocks,
 int rightPosition)

hash

public long hash(Block[] blocks,
 int position)

hash

public long hash(byte[] fixedChunk,
 int fixedOffset,
 byte[] variableChunk)