Package io.prestosql.operator.aggregation.minmaxby

Class AbstractMinMaxBy

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.minmaxby.AbstractMinMaxBy

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

MaxByAggregationFunction, MinByAggregationFunction

public abstract class AbstractMinMaxBy
extends SqlAggregationFunction

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMinMaxBy(boolean min, String description)

Method Summary

Modifier and Type	Method	Description
FunctionDependencyDeclaration	getFunctionDependencies()
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
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

AbstractMinMaxBy

protected AbstractMinMaxBy(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

min

public static boolean min(long comparisonResult)

max

public static boolean max(long comparisonResult)