Package io.prestosql.operator.aggregation

Class KeyValuePairs

java.lang.Object

io.prestosql.operator.aggregation.KeyValuePairs

public class KeyValuePairs
extends Object

Constructor Summary

Constructors

Constructor	Description
KeyValuePairs(Block serialized, Type keyType, BlockTypeOperators.BlockPositionEqual keyEqualOperator, BlockTypeOperators.BlockPositionHashCode keyHashCodeOperator, Type valueType)
KeyValuePairs(Type keyType, BlockTypeOperators.BlockPositionEqual keyEqualOperator, BlockTypeOperators.BlockPositionHashCode keyHashCodeOperator, Type valueType)

Method Summary

Modifier and Type	Method	Description
void	add(Block key, Block value, int keyPosition, int valuePosition)	Only add this key value pair if we haven't seen this key before.
long	estimatedInMemorySize()
Block	getKeys()
Block	getValues()
void	serialize(BlockBuilder out)

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyValuePairs

public KeyValuePairs(Type keyType,
                     BlockTypeOperators.BlockPositionEqual keyEqualOperator,
                     BlockTypeOperators.BlockPositionHashCode keyHashCodeOperator,
                     Type valueType)

KeyValuePairs

public KeyValuePairs(Block serialized,
                     Type keyType,
                     BlockTypeOperators.BlockPositionEqual keyEqualOperator,
                     BlockTypeOperators.BlockPositionHashCode keyHashCodeOperator,
                     Type valueType)

Method Detail

getKeys

public Block getKeys()

getValues

public Block getValues()

serialize

public void serialize(BlockBuilder out)

estimatedInMemorySize

public long estimatedInMemorySize()

add

public void add(Block key,
                Block value,
                int keyPosition,
                int valuePosition)

Only add this key value pair if we haven't seen this key before. Otherwise, ignore it.