Uses of Interface
org.apache.druid.math.expr.NamedFunction

Packages that use NamedFunction

Package	Description
org.apache.druid.math.expr
org.apache.druid.query.expression

Uses of NamedFunction in org.apache.druid.math.expr

Subinterfaces of NamedFunction in org.apache.druid.math.expr

Modifier and Type	Interface	Description
interface	ApplyFunction	Base interface describing the mechanism used to evaluate an ApplyFunctionExpr, which 'applies' a LambdaExpr to one or more array Expr.
static interface	ExprMacroTable.ExprMacro
interface	Function	Base interface describing the mechanism used to evaluate a FunctionExpr.

Classes in org.apache.druid.math.expr that implement NamedFunction

Modifier and Type	Class	Description
static class	ApplyFunction.AllMatchFunction	Evaluates to true if all element of the array input Expr causes the LambdaExpr to evaluate to a 'truthy' value
static class	ApplyFunction.AnyMatchFunction	Evaluates to true if any element of the array input Expr causes the LambdaExpr to evaluate to a 'truthy' value
static class	ApplyFunction.BaseFoldFunction	Base class for family of ApplyFunction which aggregate a scalar or array value given one or more array input Expr arguments and an array or scalar "accumulator" argument with an initial value
static class	ApplyFunction.BaseMapFunction	Base class for "map" functions, which are a class of ApplyFunction which take a lambda function that is mapped to the values of an ApplyFunction.IndexableMapLambdaObjectBinding which is created from the outer Expr.ObjectBinding and the values of the array Expr argument(s)
static class	ApplyFunction.CartesianFoldFunction	Accumulate a value for the cartesian product of 'n' array inputs arguments with an 'n + 1' argument LambdaExpr.
static class	ApplyFunction.CartesianMapFunction	Map the cartesian product of 'n' array input arguments to an 'n' argument LambdaExpr
static class	ApplyFunction.FilterFunction	Filter an array to all elements that evaluate to a 'truthy' value for a LambdaExpr
static class	ApplyFunction.FoldFunction	Accumulate a value for a single array input with a 2 argument LambdaExpr.
static class	ApplyFunction.MapFunction	Map the scalar values of a single array input Expr to a single argument LambdaExpr
static class	ApplyFunction.MatchFunction	Base class for family of ApplyFunction which evaluate elements elements of a single array input against a LambdaExpr to evaluate to a final 'truthy' value
static class	BuiltInExprMacros.ComplexDecodeBase64ExprMacro
static class	BuiltInExprMacros.StringDecodeBase64UTFExprMacro
static class	Function.Abs
static class	Function.Acos
static class	Function.ArrayAddElementFunction	Scaffolding for a 2 argument Function which accepts one array and one scalar input and adds the scalar input to the array in some way.
static class	Function.ArrayAppendFunction
static class	Function.ArrayConcatFunction
static class	Function.ArrayConstructorFunction
static class	Function.ArrayContainsFunction
static class	Function.ArrayLengthFunction
static class	Function.ArrayOffsetFunction
static class	Function.ArrayOffsetOfFunction
static class	Function.ArrayOrdinalFunction
static class	Function.ArrayOrdinalOfFunction
static class	Function.ArrayOverlapFunction
static class	Function.ArrayPrependFunction
static class	Function.ArrayScalarFunction	Function that takes 1 array operand and 1 scalar operand
static class	Function.ArraySetAddAllFunction
static class	Function.ArraySetAddFunction
static class	Function.ArraysFunction	Function that takes 2 array operands
static class	Function.ArraySliceFunction
static class	Function.ArraysMergeFunction	Base scaffolding for functions which accept 2 array arguments and combine them in some way
static class	Function.ArrayToMultiValueStringFunction
static class	Function.ArrayToStringFunction
static class	Function.Asin
static class	Function.Atan
static class	Function.Atan2
static class	Function.BitwiseAnd
static class	Function.BitwiseComplement
static class	Function.BitwiseConvertDoubleToLongBits
static class	Function.BitwiseConvertLongBitsToDouble
static class	Function.BitwiseOr
static class	Function.BitwiseShiftLeft
static class	Function.BitwiseShiftRight
static class	Function.BitwiseXor
static class	Function.BivariateBitwiseMathFunction
static class	Function.BivariateFunction	Base class for a 2 variable input Function implementation
static class	Function.BivariateMathFunction	Base class for a 2 variable input mathematical Function, with specialized 'eval' implementations that operate on primitive number types
static class	Function.CaseSearchedFunc	"Searched CASE" function, similar to CASE WHEN boolean_expr THEN result [ELSE else_result] END in SQL.
static class	Function.CaseSimpleFunc	"Simple CASE" function, similar to CASE expr WHEN value THEN result [ELSE else_result] END in SQL.
static class	Function.CastFunc
static class	Function.Cbrt
static class	Function.Ceil
static class	Function.CoalesceFunc
static class	Function.ConcatFunc
static class	Function.ConditionFunc
static class	Function.CopySign
static class	Function.Cos
static class	Function.Cosh
static class	Function.Cot
static class	Function.Div
static class	Function.DoubleBivariateMathFunction	Many math functions always output a Double primitive, regardless of input type.
static class	Function.DoubleUnivariateMathFunction	Many math functions always output a Double primitive, regardless of input type.
static class	Function.Exp
static class	Function.Expm1
static class	Function.Floor
static class	Function.GetExponent
static class	Function.GreatestFunc
static class	Function.HumanReadableBinaryByteFormatFunc
static class	Function.HumanReadableDecimalByteFormatFunc
static class	Function.HumanReadableDecimalFormatFunc
static class	Function.Hypot
static class	Function.IsDistinctFromFunc	SQL function "x IS DISTINCT FROM y".
static class	Function.IsFalseFunc	SQL function "IS FALSE".
static class	Function.IsNotDistinctFromFunc	SQL function "x IS NOT DISTINCT FROM y".
static class	Function.IsNotFalseFunc	SQL function "IS NOT FALSE".
static class	Function.IsNotNullFunc
static class	Function.IsNotTrueFunc	SQL function "IS NOT TRUE".
static class	Function.IsNullFunc
static class	Function.IsTrueFunc	SQL function "IS TRUE".
static class	Function.LeastFunc
static class	Function.LeftFunc
static class	Function.Log
static class	Function.Log10
static class	Function.Log1p
static class	Function.LowerFunc
static class	Function.LpadFunc
static class	Function.Max
static class	Function.Min
static class	Function.MultiValueStringHarmonizeNullsFunction	Primarily internal helper function used to coerce null, [], and [null] into [null], similar to the logic done by ExpressionSelectors.supplierFromDimensionSelector(org.apache.druid.segment.DimensionSelector, boolean, boolean) when the 3rd argument is true, which is done when implicitly mapping scalar functions over mvd values.
static class	Function.MultiValueStringToArrayFunction
static class	Function.MvContainsFunction
static class	Function.MvOverlapFunction
static class	Function.NextAfter
static class	Function.NextUp
static class	Function.NvlFunc	nvl is like coalesce, but accepts exactly two arguments.
static class	Function.ParseLong
static class	Function.Pi
static class	Function.Pow
static class	Function.ReduceFunction
static class	Function.Remainder
static class	Function.RepeatFunc
static class	Function.ReplaceFunc
static class	Function.ReverseFunc
static class	Function.RightFunc
static class	Function.Rint
static class	Function.Round
static class	Function.RpadFunc
static class	Function.SafeDivide
static class	Function.ScalarInArrayFunction
static class	Function.Scalb
static class	Function.Signum
static class	Function.Sin
static class	Function.Sinh
static class	Function.SizeFormatFunc
static class	Function.Sqrt
static class	Function.StringFormatFunc
static class	Function.StringLongFunction	Base class for a 2 variable input Function whose first argument is a ExprType.STRING and second argument is ExprType.LONG.
static class	Function.StringToArrayFunction
static class	Function.StrlenFunc
static class	Function.StrposFunc
static class	Function.SubMonthFunc
static class	Function.SubstringFunc
static class	Function.Tan
static class	Function.Tanh
static class	Function.TimestampFromEpochFunc
static class	Function.ToDegrees
static class	Function.ToRadians
static class	Function.Ulp
static class	Function.UnivariateFunction	Base class for a single variable input Function implementation
static class	Function.UnivariateMathFunction	Base class for a single variable input mathematical Function, with specialized 'eval' implementations that that operate on primitive number types
static class	Function.UnixTimestampFunc
static class	Function.UpperFunc

Constructors in org.apache.druid.math.expr with parameters of type NamedFunction

Modifier	Constructor	Description
	ExpressionProcessingException(NamedFunction fn, String msg, Object... formatArgs)
	ExpressionProcessingException(NamedFunction fn, Throwable e, String msg, Object... formatArgs)
	ExpressionValidationException(NamedFunction fn, String msg, Object... formatArgs)
	ExpressionValidationException(NamedFunction fn, Throwable e, String msg, Object... formatArgs)

Uses of NamedFunction in org.apache.druid.query.expression

Classes in org.apache.druid.query.expression that implement NamedFunction

Modifier and Type	Class	Description
class	ArrayQuantileExprMacro	Computes a particular quantile from a numeric array.
class	CaseInsensitiveContainsExprMacro	This class implements a function that checks if one string contains another string.
class	ContainsExprMacro	This class implements a function that checks if one string contains another string.
static class	HyperUniqueExpressions.HllAddExprMacro
static class	HyperUniqueExpressions.HllCreateExprMacro
static class	HyperUniqueExpressions.HllEstimateExprMacro
static class	HyperUniqueExpressions.HllRoundEstimateExprMacro
class	IPv4AddressMatchExprMacro	Implements an expression that checks if an IPv4 address belongs to a particular subnet.
class	IPv4AddressParseExprMacro	Implements an expression that parses a string or long into an IPv4 address stored (as an unsigned int) in a long.
class	IPv4AddressStringifyExprMacro	Implements an expression that converts a long or a string into an IPv4 address dotted-decimal string.
class	IPv6AddressMatchExprMacro	Implements an expression that checks if an IPv6 address belongs to a subnet.
class	LikeExprMacro
class	LookupExprMacro
static class	NestedDataExpressions.JsonKeysExprMacro
static class	NestedDataExpressions.JsonMergeExprMacro
static class	NestedDataExpressions.JsonObjectExprMacro
static class	NestedDataExpressions.JsonPathsExprMacro
static class	NestedDataExpressions.JsonQueryArrayExprMacro
static class	NestedDataExpressions.JsonQueryExprMacro
static class	NestedDataExpressions.JsonValueExprMacro
static class	NestedDataExpressions.ParseJsonExprMacro
static class	NestedDataExpressions.ToJsonStringExprMacro
static class	NestedDataExpressions.TryParseJsonExprMacro
class	RegexpExtractExprMacro
class	RegexpLikeExprMacro
class	RegexpReplaceExprMacro
class	TimestampCeilExprMacro
class	TimestampExtractExprMacro
class	TimestampFloorExprMacro
class	TimestampFormatExprMacro
class	TimestampParseExprMacro
class	TimestampShiftExprMacro
class	TrimExprMacro
static class	TrimExprMacro.BothTrimExprMacro
static class	TrimExprMacro.LeftTrimExprMacro
static class	TrimExprMacro.RightTrimExprMacro