Package org.apache.druid.math.expr

Class Function.GetExponent

java.lang.Object

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

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

org.apache.druid.math.expr.Function.GetExponent

All Implemented Interfaces:

Function, NamedFunction

Enclosing interface:

Function

public static class Function.GetExponent
extends Function.UnivariateMathFunction

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.CoalesceFunc, 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.IsDistinctFromFunc, Function.IsFalseFunc, Function.IsNotDistinctFromFunc, Function.IsNotFalseFunc, Function.IsNotNullFunc, Function.IsNotTrueFunc, Function.IsNullFunc, Function.IsTrueFunc, Function.LeastFunc, Function.LeftFunc, Function.Log, Function.Log10, Function.Log1p, Function.LowerFunc, Function.LpadFunc, Function.Max, Function.Min, Function.MultiValueStringHarmonizeNullsFunction, Function.MultiValueStringToArrayFunction, Function.MvContainsFunction, Function.MvOverlapFunction, 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.ScalarInArrayFunction, 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	Description
GetExponent()

Method Summary

Modifier and Type	Method	Description
<T> ExprVectorProcessor<T>	asVectorProcessor(Expr.VectorInputBindingInspector inspector, List<Expr> args)	Builds a 'vectorized' function expression processor, that can build vectorized processors for its input values using Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector), for use in vectorized query engines.
protected ExprEval	eval(double param)
ExpressionType	getOutputType(Expr.InputBindingInspector inspector, List<Expr> args)	Compute the output type of this function for a given set of argument expression inputs.
String	name()	Name of the function

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

canVectorize, 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

asBitmapColumnIndex, asColumnIndexSupplier, asSingleThreaded, getArrayInputs, getScalarInputs, hasArrayInputs, hasArrayOutput

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

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

Constructor Details

GetExponent

public GetExponent()

Method Details

name

public String name()

Description copied from interface: NamedFunction

Name of the function

eval

protected ExprEval eval(double param)

Overrides:

eval in class Function.UnivariateMathFunction

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)

asVectorProcessor

public <T> ExprVectorProcessor<T> asVectorProcessor(Expr.VectorInputBindingInspector inspector,
 List<Expr> args)

Description copied from interface: Function

Builds a 'vectorized' function expression processor, that can build vectorized processors for its input values using Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector), for use in vectorized query engines.

See Also:

• Expr.asVectorProcessor(Expr.VectorInputBindingInspector)
• ApplyFunction.asVectorProcessor(Expr.VectorInputBindingInspector, LambdaExpr, List)