org.apache.druid.math.expr

Class Function.DoubleUnivariateMathFunction

java.lang.Object

org.apache.druid.math.expr.Function.UnivariateFunction

org.apache.druid.math.expr.Function.UnivariateMathFunction

org.apache.druid.math.expr.Function.DoubleUnivariateMathFunction

All Implemented Interfaces:

Function, NamedFunction

Direct Known Subclasses:

Function.Acos, Function.Asin, Function.Atan, Function.Cbrt, Function.Ceil, Function.Cos, Function.Cosh, Function.Cot, Function.Exp, Function.Expm1, Function.Floor, Function.Log, Function.Log10, Function.Log1p, Function.NextUp, Function.Rint, Function.Signum, Function.Sin, Function.Sinh, Function.Sqrt, Function.Tan, Function.Tanh, Function.ToDegrees, Function.ToRadians, Function.Ulp

Enclosing interface:

Function

public abstract static class Function.DoubleUnivariateMathFunction
extends Function.UnivariateMathFunction

Many math functions always output a Double primitive, regardless of input type.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.druid.math.expr.Function

Function.Abs, Function.Acos, Function.ArrayAddElementFunction, Function.ArrayAppendFunction, Function.ArrayConcatFunction, Function.ArrayConstructorFunction, Function.ArrayContainsFunction, Function.ArrayLengthFunction, Function.ArrayOffsetFunction, Function.ArrayOffsetOfFunction, Function.ArrayOrdinalFunction, Function.ArrayOrdinalOfFunction, Function.ArrayOverlapFunction, Function.ArrayPrependFunction, Function.ArrayScalarFunction, Function.ArraySetAddAllFunction, Function.ArraySetAddFunction, Function.ArraysFunction, Function.ArraySliceFunction, Function.ArraysMergeFunction, Function.ArrayToMultiValueStringFunction, Function.ArrayToStringFunction, Function.Asin, Function.Atan, Function.Atan2, Function.BitwiseAnd, Function.BitwiseComplement, Function.BitwiseConvertDoubleToLongBits, Function.BitwiseConvertLongBitsToDouble, Function.BitwiseOr, Function.BitwiseShiftLeft, Function.BitwiseShiftRight, Function.BitwiseXor, Function.BivariateBitwiseMathFunction, Function.BivariateFunction, Function.BivariateMathFunction, Function.CaseSearchedFunc, Function.CaseSimpleFunc, Function.CastFunc, Function.Cbrt, Function.Ceil, Function.ConcatFunc, Function.ConditionFunc, Function.CopySign, Function.Cos, Function.Cosh, Function.Cot, Function.Div, Function.DoubleBivariateMathFunction, Function.DoubleUnivariateMathFunction, Function.Exp, Function.Expm1, Function.Floor, Function.GetExponent, Function.GreatestFunc, Function.HumanReadableBinaryByteFormatFunc, Function.HumanReadableDecimalByteFormatFunc, Function.HumanReadableDecimalFormatFunc, Function.Hypot, Function.IsNotNullFunc, Function.IsNullFunc, Function.LeastFunc, Function.LeftFunc, Function.Log, Function.Log10, Function.Log1p, Function.LowerFunc, Function.LpadFunc, Function.Max, Function.Min, Function.MultiValueStringToArrayFunction, Function.NextAfter, Function.NextUp, Function.NvlFunc, Function.ParseLong, Function.Pi, Function.Pow, Function.ReduceFunction, Function.Remainder, Function.RepeatFunc, Function.ReplaceFunc, Function.ReverseFunc, Function.RightFunc, Function.Rint, Function.Round, Function.RpadFunc, Function.SafeDivide, Function.Scalb, Function.Signum, Function.Sin, Function.Sinh, Function.SizeFormatFunc, Function.Sqrt, Function.StringFormatFunc, Function.StringLongFunction, Function.StringToArrayFunction, Function.StrlenFunc, Function.StrposFunc, Function.SubMonthFunc, Function.SubstringFunc, Function.Tan, Function.Tanh, Function.TimestampFromEpochFunc, Function.ToDegrees, Function.ToRadians, Function.Ulp, Function.UnivariateFunction, Function.UnivariateMathFunction, Function.UnixTimestampFunc, Function.UpperFunc

Constructor Summary

Constructors

Constructor and Description
DoubleUnivariateMathFunction()

Method Summary

Modifier and Type	Method and Description
ExpressionType	getOutputType(Expr.InputBindingInspector inspector, List<Expr> args) Compute the output type of this function for a given set of argument expression inputs.

Methods inherited from class org.apache.druid.math.expr.Function.UnivariateMathFunction

canVectorize, eval, eval, eval

Methods inherited from class org.apache.druid.math.expr.Function.UnivariateFunction

apply, validateArguments

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.druid.math.expr.Function

asVectorProcessor, getArrayInputs, getScalarInputs, hasArrayInputs, hasArrayOutput

Methods inherited from interface org.apache.druid.math.expr.NamedFunction

name, processingFailed, validationFailed, validationFailed, validationHelperCheckAnyOfArgumentCount, validationHelperCheckArgIsLiteral, validationHelperCheckArgumentCount, validationHelperCheckArgumentCount, validationHelperCheckArgumentRange, validationHelperCheckLambaArgumentCount, validationHelperCheckMinArgumentCount, validationHelperCheckMinArgumentCount

Constructor Detail

DoubleUnivariateMathFunction

public DoubleUnivariateMathFunction()

Method Detail

getOutputType

@Nullable
public ExpressionType getOutputType(Expr.InputBindingInspector inspector,
                                              List<Expr> args)

Description copied from interface: Function

Compute the output type of this function for a given set of argument expression inputs.

Specified by:

getOutputType in interface Function

Overrides:

getOutputType in class Function.UnivariateMathFunction

See Also:

Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector)