Package io.trino.operator.aggregation

Class AbstractMinMaxNAggregationFunction

java.lang.Object

io.trino.metadata.SqlAggregationFunction

io.trino.operator.aggregation.AbstractMinMaxNAggregationFunction

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

MaxNAggregationFunction, MinNAggregationFunction

public abstract class AbstractMinMaxNAggregationFunction
extends SqlAggregationFunction

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
static void	combine(MinMaxNState state, MinMaxNState otherState)
protected AggregationMetadata	generateAggregation(MethodHandle compare, Type type)
FunctionDependencyDeclaration	getFunctionDependencies(BoundSignature boundSignature)
static void	input(MethodHandle compare, Type type, MinMaxNState state, Block block, long n, int blockIndex)
static void	output(ArrayType outputType, MinMaxNState state, BlockBuilder out)
AggregationMetadata	specialize(BoundSignature boundSignature, FunctionDependencies functionDependencies)

Methods inherited from class io.trino.metadata.SqlAggregationFunction

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.trino.metadata.SqlFunction

getFunctionDependencies

Constructor Detail

AbstractMinMaxNAggregationFunction

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

Method Detail

getFunctionDependencies

public FunctionDependencyDeclaration getFunctionDependencies(BoundSignature boundSignature)

specialize

public AggregationMetadata specialize(BoundSignature boundSignature,
                                      FunctionDependencies functionDependencies)

Overrides:

specialize in class SqlAggregationFunction

generateAggregation

protected AggregationMetadata generateAggregation(MethodHandle compare,
                                                  Type type)

input

public static void input(MethodHandle compare,
                         Type type,
                         MinMaxNState state,
                         Block block,
                         long n,
                         int blockIndex)

combine

public static void combine(MinMaxNState state,
                           MinMaxNState otherState)

output

public static void output(ArrayType outputType,
                          MinMaxNState state,
                          BlockBuilder out)