Package io.trino.operator

Interface FlatHashStrategy

public interface FlatHashStrategy

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)
void	hashBlocksBatched(Block[] blocks, long[] hashes, int offset, int length)
boolean	isAnyVariableWidth()
void	readFlat(byte[] fixedChunk, int fixedOffset, byte[] variableChunk, BlockBuilder[] blockBuilders)
boolean	valueIdentical(byte[] leftFixedChunk, int leftFixedOffset, byte[] leftVariableChunk, Block[] rightBlocks, int rightPosition)
void	writeFlat(Block[] blocks, int position, byte[] fixedChunk, int fixedOffset, byte[] variableChunk, int variableOffset)

Method Details

isAnyVariableWidth

boolean isAnyVariableWidth()

getTotalFlatFixedLength

int getTotalFlatFixedLength()

getTotalVariableWidth

int getTotalVariableWidth(Block[] blocks,
 int position)

readFlat

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

writeFlat

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

valueIdentical

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

hash

long hash(Block[] blocks,
 int position)

hash

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

hashBlocksBatched

void hashBlocksBatched(Block[] blocks,
 long[] hashes,
 int offset,
 int length)