org.apache.drill.exec.expr

Interface DrillAggFunc

All Superinterfaces:

DrillFunc

All Known Implementing Classes:

AggregateErrorFunctions.BitAggregateErrorFunctions, AggregateErrorFunctions.NullableBitAggregateErrorFunctions, AggregateErrorFunctions.NullableVarCharAggregateErrorFunctions, AggregateErrorFunctions.VarCharAggregateErrorFunctions, AvgFunctions.BigIntAvg, AvgFunctions.Float4Avg, AvgFunctions.Float8Avg, AvgFunctions.IntAvg, AvgFunctions.NullableBigIntAvg, AvgFunctions.NullableFloat4Avg, AvgFunctions.NullableFloat8Avg, AvgFunctions.NullableIntAvg, AvgIntervalTypeFunctions.IntervalAvg, AvgIntervalTypeFunctions.IntervalDayAvg, AvgIntervalTypeFunctions.IntervalYearAvg, AvgIntervalTypeFunctions.NullableIntervalAvg, AvgIntervalTypeFunctions.NullableIntervalDayAvg, AvgIntervalTypeFunctions.NullableIntervalYearAvg, BitwiseAndFunctions.BigIntBitwiseAnd, BitwiseAndFunctions.IntBitwiseAnd, BitwiseAndFunctions.NullableBigIntBitwiseAnd, BitwiseAndFunctions.NullableIntBitwiseAnd, BitwiseAndFunctions.NullableSmallIntBitwiseAnd, BitwiseAndFunctions.NullableTinyIntBitwiseAnd, BitwiseAndFunctions.NullableUInt1BitwiseAnd, BitwiseAndFunctions.NullableUInt2BitwiseAnd, BitwiseAndFunctions.NullableUInt4BitwiseAnd, BitwiseAndFunctions.NullableUInt8BitwiseAnd, BitwiseAndFunctions.SmallIntBitwiseAnd, BitwiseAndFunctions.TinyIntBitwiseAnd, BitwiseAndFunctions.UInt1BitwiseAnd, BitwiseAndFunctions.UInt2BitwiseAnd, BitwiseAndFunctions.UInt4BitwiseAnd, BitwiseAndFunctions.UInt8BitwiseAnd, BitwiseOrFunctions.BigIntBitwiseOr, BitwiseOrFunctions.IntBitwiseOr, BitwiseOrFunctions.NullableBigIntBitwiseOr, BitwiseOrFunctions.NullableIntBitwiseOr, BitwiseOrFunctions.NullableSmallIntBitwiseOr, BitwiseOrFunctions.NullableTinyIntBitwiseOr, BitwiseOrFunctions.NullableUInt1BitwiseOr, BitwiseOrFunctions.NullableUInt2BitwiseOr, BitwiseOrFunctions.NullableUInt4BitwiseOr, BitwiseOrFunctions.NullableUInt8BitwiseOr, BitwiseOrFunctions.SmallIntBitwiseOr, BitwiseOrFunctions.TinyIntBitwiseOr, BitwiseOrFunctions.UInt1BitwiseOr, BitwiseOrFunctions.UInt2BitwiseOr, BitwiseOrFunctions.UInt4BitwiseOr, BitwiseOrFunctions.UInt8BitwiseOr, BooleanAggrFunctions.BitBooleanAnd, BooleanAggrFunctions.BitBooleanOr, BooleanAggrFunctions.NullableBitBooleanAnd, BooleanAggrFunctions.NullableBitBooleanOr, CorrelationFunctions.BigIntCorrelation, CorrelationFunctions.Float4Correlation, CorrelationFunctions.Float8Correlation, CorrelationFunctions.IntCorrelation, CorrelationFunctions.NullableBigIntCorrelation, CorrelationFunctions.NullableFloat4Correlation, CorrelationFunctions.NullableFloat8Correlation, CorrelationFunctions.NullableIntCorrelation, CorrelationFunctions.NullableSmallIntCorrelation, CorrelationFunctions.NullableTinyIntCorrelation, CorrelationFunctions.NullableUInt1Correlation, CorrelationFunctions.NullableUInt2Correlation, CorrelationFunctions.NullableUInt4Correlation, CorrelationFunctions.NullableUInt8Correlation, CorrelationFunctions.SmallIntCorrelation, CorrelationFunctions.TinyIntCorrelation, CorrelationFunctions.UInt1Correlation, CorrelationFunctions.UInt2Correlation, CorrelationFunctions.UInt4Correlation, CorrelationFunctions.UInt8Correlation, CountFunctions.BigIntCountFunction, CountFunctions.BitCountFunction, CountFunctions.DateCountFunction, CountFunctions.Decimal18CountFunction, CountFunctions.Decimal28SparseCountFunction, CountFunctions.Decimal38SparseCountFunction, CountFunctions.Decimal9CountFunction, CountFunctions.Float4CountFunction, CountFunctions.Float8CountFunction, CountFunctions.IntCountFunction, CountFunctions.IntervalCountFunction, CountFunctions.IntervalDayCountFunction, CountFunctions.IntervalYearCountFunction, CountFunctions.ListCountFunction, CountFunctions.MapCountFunction, CountFunctions.NullableBigIntCountFunction, CountFunctions.NullableBitCountFunction, CountFunctions.NullableDateCountFunction, CountFunctions.NullableDecimal18CountFunction, CountFunctions.NullableDecimal28SparseCountFunction, CountFunctions.NullableDecimal38SparseCountFunction, CountFunctions.NullableDecimal9CountFunction, CountFunctions.NullableFloat4CountFunction, CountFunctions.NullableFloat8CountFunction, CountFunctions.NullableIntCountFunction, CountFunctions.NullableIntervalCountFunction, CountFunctions.NullableIntervalDayCountFunction, CountFunctions.NullableIntervalYearCountFunction, CountFunctions.NullableTimeCountFunction, CountFunctions.NullableTimeStampCountFunction, CountFunctions.NullableVarBinaryCountFunction, CountFunctions.NullableVarCharCountFunction, CountFunctions.RepeatedBigIntCountFunction, CountFunctions.RepeatedBitCountFunction, CountFunctions.RepeatedDateCountFunction, CountFunctions.RepeatedDecimal18CountFunction, CountFunctions.RepeatedDecimal28SparseCountFunction, CountFunctions.RepeatedDecimal38SparseCountFunction, CountFunctions.RepeatedDecimal9CountFunction, CountFunctions.RepeatedFloat4CountFunction, CountFunctions.RepeatedFloat8CountFunction, CountFunctions.RepeatedIntCountFunction, CountFunctions.RepeatedIntervalCountFunction, CountFunctions.RepeatedIntervalDayCountFunction, CountFunctions.RepeatedIntervalYearCountFunction, CountFunctions.RepeatedListCountFunction, CountFunctions.RepeatedMapCountFunction, CountFunctions.RepeatedTimeCountFunction, CountFunctions.RepeatedTimeStampCountFunction, CountFunctions.RepeatedVarBinaryCountFunction, CountFunctions.RepeatedVarCharCountFunction, CountFunctions.TimeCountFunction, CountFunctions.TimeStampCountFunction, CountFunctions.VarBinaryCountFunction, CountFunctions.VarCharCountFunction, CoVariancePopulationFunctions.BigIntCoVariancePopulation, CoVariancePopulationFunctions.Float4CoVariancePopulation, CoVariancePopulationFunctions.Float8CoVariancePopulation, CoVariancePopulationFunctions.IntCoVariancePopulation, CoVariancePopulationFunctions.NullableBigIntCoVariancePopulation, CoVariancePopulationFunctions.NullableFloat4CoVariancePopulation, CoVariancePopulationFunctions.NullableFloat8CoVariancePopulation, CoVariancePopulationFunctions.NullableIntCoVariancePopulation, CoVariancePopulationFunctions.NullableSmallIntCoVariancePopulation, CoVariancePopulationFunctions.NullableTinyIntCoVariancePopulation, CoVariancePopulationFunctions.NullableUInt1CoVariancePopulation, CoVariancePopulationFunctions.NullableUInt2CoVariancePopulation, CoVariancePopulationFunctions.NullableUInt4CoVariancePopulation, CoVariancePopulationFunctions.NullableUInt8CoVariancePopulation, CoVariancePopulationFunctions.SmallIntCoVariancePopulation, CoVariancePopulationFunctions.TinyIntCoVariancePopulation, CoVariancePopulationFunctions.UInt1CoVariancePopulation, CoVariancePopulationFunctions.UInt2CoVariancePopulation, CoVariancePopulationFunctions.UInt4CoVariancePopulation, CoVariancePopulationFunctions.UInt8CoVariancePopulation, CoVarianceSampleFunctions.BigIntCoVarianceSample, CoVarianceSampleFunctions.Float4CoVarianceSample, CoVarianceSampleFunctions.Float8CoVarianceSample, CoVarianceSampleFunctions.IntCoVarianceSample, CoVarianceSampleFunctions.NullableBigIntCoVarianceSample, CoVarianceSampleFunctions.NullableFloat4CoVarianceSample, CoVarianceSampleFunctions.NullableFloat8CoVarianceSample, CoVarianceSampleFunctions.NullableIntCoVarianceSample, CoVarianceSampleFunctions.NullableSmallIntCoVarianceSample, CoVarianceSampleFunctions.NullableTinyIntCoVarianceSample, CoVarianceSampleFunctions.NullableUInt1CoVarianceSample, CoVarianceSampleFunctions.NullableUInt2CoVarianceSample, CoVarianceSampleFunctions.NullableUInt4CoVarianceSample, CoVarianceSampleFunctions.NullableUInt8CoVarianceSample, CoVarianceSampleFunctions.SmallIntCoVarianceSample, CoVarianceSampleFunctions.TinyIntCoVarianceSample, CoVarianceSampleFunctions.UInt1CoVarianceSample, CoVarianceSampleFunctions.UInt2CoVarianceSample, CoVarianceSampleFunctions.UInt4CoVarianceSample, CoVarianceSampleFunctions.UInt8CoVarianceSample, DecimalAvgFunctions.Decimal18Avg, DecimalAvgFunctions.Decimal28SparseAvg, DecimalAvgFunctions.Decimal38SparseAvg, DecimalAvgFunctions.Decimal9Avg, DecimalAvgFunctions.NullableDecimal18Avg, DecimalAvgFunctions.NullableDecimal28SparseAvg, DecimalAvgFunctions.NullableDecimal38SparseAvg, DecimalAvgFunctions.NullableDecimal9Avg, DecimalMaxFunctions.Decimal18Max, DecimalMaxFunctions.Decimal28SparseMax, DecimalMaxFunctions.Decimal38SparseMax, DecimalMaxFunctions.Decimal9Max, DecimalMaxFunctions.NullableDecimal18Max, DecimalMaxFunctions.NullableDecimal28SparseMax, DecimalMaxFunctions.NullableDecimal38SparseMax, DecimalMaxFunctions.NullableDecimal9Max, DecimalMinFunctions.Decimal18Min, DecimalMinFunctions.Decimal28SparseMin, DecimalMinFunctions.Decimal38SparseMin, DecimalMinFunctions.Decimal9Min, DecimalMinFunctions.NullableDecimal18Min, DecimalMinFunctions.NullableDecimal28SparseMin, DecimalMinFunctions.NullableDecimal38SparseMin, DecimalMinFunctions.NullableDecimal9Min, DecimalSumFunctions.Decimal18Sum, DecimalSumFunctions.Decimal28SparseSum, DecimalSumFunctions.Decimal38SparseSum, DecimalSumFunctions.Decimal9Sum, DecimalSumFunctions.NullableDecimal18Sum, DecimalSumFunctions.NullableDecimal28SparseSum, DecimalSumFunctions.NullableDecimal38SparseSum, DecimalSumFunctions.NullableDecimal9Sum, MaxDateTypeFunctions.DateMax, MaxDateTypeFunctions.IntervalDayMax, MaxDateTypeFunctions.IntervalMax, MaxDateTypeFunctions.IntervalYearMax, MaxDateTypeFunctions.NullableDateMax, MaxDateTypeFunctions.NullableIntervalDayMax, MaxDateTypeFunctions.NullableIntervalMax, MaxDateTypeFunctions.NullableIntervalYearMax, MaxDateTypeFunctions.NullableTimeMax, MaxDateTypeFunctions.NullableTimeStampMax, MaxDateTypeFunctions.TimeMax, MaxDateTypeFunctions.TimeStampMax, MaxFunctions.BigIntMax, MaxFunctions.Float4Max, MaxFunctions.Float8Max, MaxFunctions.IntMax, MaxFunctions.NullableBigIntMax, MaxFunctions.NullableFloat4Max, MaxFunctions.NullableFloat8Max, MaxFunctions.NullableIntMax, MaxVarBytesFunctions.NullableVarBinaryMax, MaxVarBytesFunctions.NullableVarCharMax, MaxVarBytesFunctions.VarBinaryMax, MaxVarBytesFunctions.VarCharMax, MinDateTypeFunctions.DateMin, MinDateTypeFunctions.IntervalDayMin, MinDateTypeFunctions.IntervalMin, MinDateTypeFunctions.IntervalYearMin, MinDateTypeFunctions.NullableDateMin, MinDateTypeFunctions.NullableIntervalDayMin, MinDateTypeFunctions.NullableIntervalMin, MinDateTypeFunctions.NullableIntervalYearMin, MinDateTypeFunctions.NullableTimeMin, MinDateTypeFunctions.NullableTimeStampMin, MinDateTypeFunctions.TimeMin, MinDateTypeFunctions.TimeStampMin, MinFunctions.BigIntMin, MinFunctions.BitMin, MinFunctions.Float4Min, MinFunctions.Float8Min, MinFunctions.IntMin, MinFunctions.NullableBigIntMin, MinFunctions.NullableBitMin, MinFunctions.NullableFloat4Min, MinFunctions.NullableFloat8Min, MinFunctions.NullableIntMin, MinVarBytesFunctions.NullableVarBinaryMin, MinVarBytesFunctions.NullableVarCharMin, MinVarBytesFunctions.VarBinaryMin, MinVarBytesFunctions.VarCharMin, StdDevPopFunctions.BigIntStdDevPop, StdDevPopFunctions.Float4StdDevPop, StdDevPopFunctions.Float8StdDevPop, StdDevPopFunctions.IntStdDevPop, StdDevPopFunctions.NullableBigIntStdDevPop, StdDevPopFunctions.NullableFloat4StdDevPop, StdDevPopFunctions.NullableFloat8StdDevPop, StdDevPopFunctions.NullableIntStdDevPop, StdDevPopFunctions.NullableSmallIntStdDevPop, StdDevPopFunctions.NullableTinyIntStdDevPop, StdDevPopFunctions.NullableUInt1StdDevPop, StdDevPopFunctions.NullableUInt2StdDevPop, StdDevPopFunctions.NullableUInt4StdDevPop, StdDevPopFunctions.NullableUInt8StdDevPop, StdDevPopFunctions.SmallIntStdDevPop, StdDevPopFunctions.TinyIntStdDevPop, StdDevPopFunctions.UInt1StdDevPop, StdDevPopFunctions.UInt2StdDevPop, StdDevPopFunctions.UInt4StdDevPop, StdDevPopFunctions.UInt8StdDevPop, StdDevSampleFunctions.BigIntStdDevSample, StdDevSampleFunctions.Float4StdDevSample, StdDevSampleFunctions.Float8StdDevSample, StdDevSampleFunctions.IntStdDevSample, StdDevSampleFunctions.NullableBigIntStdDevSample, StdDevSampleFunctions.NullableFloat4StdDevSample, StdDevSampleFunctions.NullableFloat8StdDevSample, StdDevSampleFunctions.NullableIntStdDevSample, StdDevSampleFunctions.NullableSmallIntStdDevSample, StdDevSampleFunctions.NullableTinyIntStdDevSample, StdDevSampleFunctions.NullableUInt1StdDevSample, StdDevSampleFunctions.NullableUInt2StdDevSample, StdDevSampleFunctions.NullableUInt4StdDevSample, StdDevSampleFunctions.NullableUInt8StdDevSample, StdDevSampleFunctions.SmallIntStdDevSample, StdDevSampleFunctions.TinyIntStdDevSample, StdDevSampleFunctions.UInt1StdDevSample, StdDevSampleFunctions.UInt2StdDevSample, StdDevSampleFunctions.UInt4StdDevSample, StdDevSampleFunctions.UInt8StdDevSample, SumDateTypeFunctions.IntervalDaySum, SumDateTypeFunctions.IntervalSum, SumDateTypeFunctions.IntervalYearSum, SumDateTypeFunctions.NullableIntervalDaySum, SumDateTypeFunctions.NullableIntervalSum, SumDateTypeFunctions.NullableIntervalYearSum, SumFunctions.BigIntSum, SumFunctions.Float4Sum, SumFunctions.Float8Sum, SumFunctions.IntSum, SumFunctions.NullableBigIntSum, SumFunctions.NullableFloat4Sum, SumFunctions.NullableFloat8Sum, SumFunctions.NullableIntSum, SumZeroFunctions.BigIntSumZero, SumZeroFunctions.BitSumZero, SumZeroFunctions.Float4SumZero, SumZeroFunctions.Float8SumZero, SumZeroFunctions.IntSumZero, SumZeroFunctions.NullableBigIntSumZero, SumZeroFunctions.NullableBitSumZero, SumZeroFunctions.NullableFloat4SumZero, SumZeroFunctions.NullableFloat8SumZero, SumZeroFunctions.NullableIntSumZero, VariancePopFunctions.BigIntVariancePop, VariancePopFunctions.Float4VariancePop, VariancePopFunctions.Float8VariancePop, VariancePopFunctions.IntVariancePop, VariancePopFunctions.NullableBigIntVariancePop, VariancePopFunctions.NullableFloat4VariancePop, VariancePopFunctions.NullableFloat8VariancePop, VariancePopFunctions.NullableIntVariancePop, VariancePopFunctions.NullableSmallIntVariancePop, VariancePopFunctions.NullableTinyIntVariancePop, VariancePopFunctions.NullableUInt1VariancePop, VariancePopFunctions.NullableUInt2VariancePop, VariancePopFunctions.NullableUInt4VariancePop, VariancePopFunctions.NullableUInt8VariancePop, VariancePopFunctions.SmallIntVariancePop, VariancePopFunctions.TinyIntVariancePop, VariancePopFunctions.UInt1VariancePop, VariancePopFunctions.UInt2VariancePop, VariancePopFunctions.UInt4VariancePop, VariancePopFunctions.UInt8VariancePop, VarianceSampleFunctions.BigIntVarianceSample, VarianceSampleFunctions.Float4VarianceSample, VarianceSampleFunctions.Float8VarianceSample, VarianceSampleFunctions.IntVarianceSample, VarianceSampleFunctions.NullableBigIntVarianceSample, VarianceSampleFunctions.NullableFloat4VarianceSample, VarianceSampleFunctions.NullableFloat8VarianceSample, VarianceSampleFunctions.NullableIntVarianceSample, VarianceSampleFunctions.NullableSmallIntVarianceSample, VarianceSampleFunctions.NullableTinyIntVarianceSample, VarianceSampleFunctions.NullableUInt1VarianceSample, VarianceSampleFunctions.NullableUInt2VarianceSample, VarianceSampleFunctions.NullableUInt4VarianceSample, VarianceSampleFunctions.NullableUInt8VarianceSample, VarianceSampleFunctions.SmallIntVarianceSample, VarianceSampleFunctions.TinyIntVarianceSample, VarianceSampleFunctions.UInt1VarianceSample, VarianceSampleFunctions.UInt2VarianceSample, VarianceSampleFunctions.UInt4VarianceSample, VarianceSampleFunctions.UInt8VarianceSample

public interface DrillAggFunc
extends DrillFunc

Aggregate function interface.

Method Summary

Methods

Modifier and Type	Method and Description
void	add()
void	output()
void	reset()
void	setup() Initialization for the beginning of the aggregation.

Method Detail

setup

void setup()

Initialization for the beginning of the aggregation.

add

void add()

output

void output()

reset

void reset()