Package io.prestosql.operator.aggregation

Class DecimalAverageAggregation

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.DecimalAverageAggregation

All Implemented Interfaces:

SqlFunction

public class DecimalAverageAggregation
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field	Description
static DecimalAverageAggregation	DECIMAL_AVERAGE_AGGREGATION

Constructor Summary

Constructors

Constructor	Description
DecimalAverageAggregation()

Method Summary

Modifier and Type	Method	Description
static BigDecimal	average(LongDecimalWithOverflowAndLongState state, DecimalType type)
static void	combine(LongDecimalWithOverflowAndLongState state, LongDecimalWithOverflowAndLongState otherState)
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
static void	inputLongDecimal(Type type, LongDecimalWithOverflowAndLongState state, Block block, int position)
static void	inputShortDecimal(Type type, LongDecimalWithOverflowAndLongState state, Block block, int position)
static void	outputLongDecimal(DecimalType type, LongDecimalWithOverflowAndLongState state, BlockBuilder out)
static void	outputShortDecimal(DecimalType type, LongDecimalWithOverflowAndLongState 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

DECIMAL_AVERAGE_AGGREGATION

public static final DecimalAverageAggregation DECIMAL_AVERAGE_AGGREGATION

Constructor Detail

DecimalAverageAggregation

public DecimalAverageAggregation()

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

inputShortDecimal

public static void inputShortDecimal(Type type,
                                     LongDecimalWithOverflowAndLongState state,
                                     Block block,
                                     int position)

inputLongDecimal

public static void inputLongDecimal(Type type,
                                    LongDecimalWithOverflowAndLongState state,
                                    Block block,
                                    int position)

combine

public static void combine(LongDecimalWithOverflowAndLongState state,
                           LongDecimalWithOverflowAndLongState otherState)

outputShortDecimal

public static void outputShortDecimal(DecimalType type,
                                      LongDecimalWithOverflowAndLongState state,
                                      BlockBuilder out)

outputLongDecimal

public static void outputLongDecimal(DecimalType type,
                                     LongDecimalWithOverflowAndLongState state,
                                     BlockBuilder out)

average

public static BigDecimal average(LongDecimalWithOverflowAndLongState state,
                                 DecimalType type)