Package io.prestosql.operator.aggregation

Class ChecksumAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.ChecksumAggregationFunction

All Implemented Interfaces:

SqlFunction

public class ChecksumAggregationFunction
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field	Description
static long	PRIME64

Constructor Summary

Constructors

Constructor	Description
ChecksumAggregationFunction(BlockTypeOperators blockTypeOperators)

Method Summary

Modifier and Type	Method	Description
static void	combine(NullableLongState state, NullableLongState otherState)
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
static void	input(BlockTypeOperators.BlockPositionXxHash64 xxHash64Operator, NullableLongState state, Block block, int position)
static void	output(NullableLongState state, BlockBuilder out)
InternalAggregationFunction	specialize(FunctionBinding functionBinding)

Methods inherited from class io.prestosql.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getAggregationMetadata, getFunctionMetadata, specialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.prestosql.metadata.SqlFunction

getFunctionDependencies, getFunctionDependencies

Field Detail

PRIME64

public static final long PRIME64

See Also:

Constant Field Values

Constructor Detail

ChecksumAggregationFunction

public ChecksumAggregationFunction(BlockTypeOperators blockTypeOperators)

Method Detail

getIntermediateTypes

public List<TypeSignature> getIntermediateTypes(FunctionBinding functionBinding)

Overrides:

getIntermediateTypes in class SqlAggregationFunction

specialize

public InternalAggregationFunction specialize(FunctionBinding functionBinding)

Overrides:

specialize in class SqlAggregationFunction

input

public static void input(BlockTypeOperators.BlockPositionXxHash64 xxHash64Operator,
                         NullableLongState state,
                         Block block,
                         int position)

combine

public static void combine(NullableLongState state,
                           NullableLongState otherState)

output

public static void output(NullableLongState state,
                          BlockBuilder out)