Package io.prestosql.operator.aggregation

Class AbstractMinMaxAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.AbstractMinMaxAggregationFunction

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

MaxAggregationFunction, MinAggregationFunction

public abstract class AbstractMinMaxAggregationFunction
extends SqlAggregationFunction

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMinMaxAggregationFunction(String name, boolean min, String description)

Method Summary

Modifier and Type	Method	Description
static void	combine(MethodHandle methodHandle, BlockPositionState state, BlockPositionState otherState)
static void	combine(MethodHandle methodHandle, NullableBooleanState state, NullableBooleanState otherState)
static void	combine(MethodHandle methodHandle, NullableDoubleState state, NullableDoubleState otherState)
static void	combine(MethodHandle methodHandle, NullableLongState state, NullableLongState otherState)
protected InternalAggregationFunction	generateAggregation(Type type, MethodHandle compareMethodHandle)
FunctionDependencyDeclaration	getFunctionDependencies()
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
static void	input(MethodHandle methodHandle, BlockPositionState state, Block block, int position)
static void	input(MethodHandle methodHandle, NullableBooleanState state, boolean value)
static void	input(MethodHandle methodHandle, NullableDoubleState state, double value)
static void	input(MethodHandle methodHandle, NullableLongState state, long value)
static boolean	max(long comparisonResult)
static boolean	min(long comparisonResult)
InternalAggregationFunction	specialize(FunctionBinding functionBinding, FunctionDependencies functionDependencies)

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

Constructor Detail

AbstractMinMaxAggregationFunction

protected AbstractMinMaxAggregationFunction(String name,
                                            boolean min,
                                            String description)

Method Detail

getFunctionDependencies

public FunctionDependencyDeclaration getFunctionDependencies()

getIntermediateTypes

public List<TypeSignature> getIntermediateTypes(FunctionBinding functionBinding)

Overrides:

getIntermediateTypes in class SqlAggregationFunction

specialize

public InternalAggregationFunction specialize(FunctionBinding functionBinding,
                                              FunctionDependencies functionDependencies)

Overrides:

specialize in class SqlAggregationFunction

generateAggregation

protected InternalAggregationFunction generateAggregation(Type type,
                                                          MethodHandle compareMethodHandle)

input

public static void input(MethodHandle methodHandle,
                         NullableDoubleState state,
                         double value)

input

public static void input(MethodHandle methodHandle,
                         NullableLongState state,
                         long value)

input

public static void input(MethodHandle methodHandle,
                         NullableBooleanState state,
                         boolean value)

input

public static void input(MethodHandle methodHandle,
                         BlockPositionState state,
                         Block block,
                         int position)

combine

public static void combine(MethodHandle methodHandle,
                           NullableLongState state,
                           NullableLongState otherState)

combine

public static void combine(MethodHandle methodHandle,
                           NullableDoubleState state,
                           NullableDoubleState otherState)

combine

public static void combine(MethodHandle methodHandle,
                           NullableBooleanState state,
                           NullableBooleanState otherState)

combine

public static void combine(MethodHandle methodHandle,
                           BlockPositionState state,
                           BlockPositionState otherState)

min

public static boolean min(long comparisonResult)

max

public static boolean max(long comparisonResult)