Uses of Package
org.apache.druid.math.expr

Packages that use org.apache.druid.math.expr

Package	Description
org.apache.druid.frame.processor
org.apache.druid.frame.segment.columnar
org.apache.druid.frame.segment.row
org.apache.druid.frame.write.cast
org.apache.druid.guice
org.apache.druid.math.expr
org.apache.druid.math.expr.vector
org.apache.druid.query
org.apache.druid.query.aggregation
org.apache.druid.query.aggregation.post
org.apache.druid.query.expression
org.apache.druid.query.filter
org.apache.druid.query.rowsandcols.semantic
org.apache.druid.query.scan
org.apache.druid.segment
org.apache.druid.segment.column
org.apache.druid.segment.filter
org.apache.druid.segment.incremental
org.apache.druid.segment.join
org.apache.druid.segment.join.filter
org.apache.druid.segment.join.lookup
org.apache.druid.segment.join.table
org.apache.druid.segment.nested
org.apache.druid.segment.shim
org.apache.druid.segment.transform
org.apache.druid.segment.vector
org.apache.druid.segment.virtual

Classes in org.apache.druid.math.expr used by org.apache.druid.frame.processor

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.frame.segment.columnar

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.frame.segment.row

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.frame.write.cast

Class	Description
ExpressionType	The type system used to process Druid expressions.

Classes in org.apache.druid.math.expr used by org.apache.druid.guice

Class	Description
ExprMacroTable.ExprMacro

Classes in org.apache.druid.math.expr used by org.apache.druid.math.expr

Class	Description
ApplyFunction	Base interface describing the mechanism used to evaluate an ApplyFunctionExpr, which 'applies' a LambdaExpr to one or more array Expr.
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
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)
ApplyFunction.CartesianFoldLambdaBinding	ApplyFunction.IndexableFoldLambdaBinding for a ApplyFunction.CartesianFoldFunction.
ApplyFunction.CartesianMapLambdaBinding	ApplyFunction.IndexableMapLambdaObjectBinding for a ApplyFunction.CartesianMapFunction.
ApplyFunction.FoldLambdaBinding	ApplyFunction.IndexableFoldLambdaBinding for a ApplyFunction.FoldFunction.
ApplyFunction.IndexableFoldLambdaBinding	Expr.ObjectBinding which can be iterated by an integer index position for ApplyFunction.BaseFoldFunction.
ApplyFunction.IndexableMapLambdaObjectBinding	Expr.ObjectBinding which can be iterated by an integer index position for ApplyFunction.BaseMapFunction.
ApplyFunction.MapLambdaBinding	ApplyFunction.IndexableMapLambdaObjectBinding for a ApplyFunction.MapFunction.
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
ApplyFunction.SettableLambdaBinding	Simple, mutable, Expr.ObjectBinding for a LambdaExpr which provides a Map for storing arbitrary values to use as values for IdentifierExpr in the body of the lambda that are arguments to the lambda
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.BindingAnalysis	Information about the context in which IdentifierExpr are used in a greater Expr, listing the 'free variables' (total set of required input columns or values) and distinguishing between which identifiers are used as scalar inputs and which are used as array inputs.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
Expr.ObjectBinding	Mechanism to supply values to back IdentifierExpr during expression evaluation
Expr.Shuttle	Mechanism to rewrite an Expr, implementing a Expr.Shuttle allows visiting all children of an Expr, and replacing them as desired.
Expr.VectorInputBindingInspector	Expr.InputBindingInspector + vectorizations stuff for Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector)
ExpressionProcessingException
ExpressionType	The type system used to process Druid expressions.
ExpressionTypeFactory
ExpressionValidationException
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.
ExprMacroTable.BaseMacroFunctionExpr	Base class for Expr from ExprMacroTable.ExprMacro.
ExprMacroTable.ExprMacro
ExprMacroTable.ExprMacroFunctionExpr	stub interface to allow Parser.flatten(Expr) a way to recognize macro functions that exend this
ExprType	Base 'value' types of Druid expression language, all Expr must evaluate to one of these types.
Function	Base interface describing the mechanism used to evaluate a FunctionExpr.
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.
Function.ArrayScalarFunction	Function that takes 1 array operand and 1 scalar operand
Function.ArraysFunction	Function that takes 2 array operands
Function.ArraysMergeFunction	Base scaffolding for functions which accept 2 array arguments and combine them in some way
Function.BivariateBitwiseMathFunction
Function.BivariateFunction	Base class for a 2 variable input Function implementation
Function.BivariateMathFunction	Base class for a 2 variable input mathematical Function, with specialized 'eval' implementations that operate on primitive number types
Function.CoalesceFunc
Function.DoubleBivariateMathFunction	Many math functions always output a Double primitive, regardless of input type.
Function.DoubleUnivariateMathFunction	Many math functions always output a Double primitive, regardless of input type.
Function.IsNotDistinctFromFunc	SQL function "x IS NOT DISTINCT FROM y".
Function.ReduceFunction
Function.SizeFormatFunc
Function.StringLongFunction	Base class for a 2 variable input Function whose first argument is a ExprType.STRING and second argument is ExprType.LONG.
Function.TimestampFromEpochFunc
Function.UnivariateFunction	Base class for a single variable input Function implementation
Function.UnivariateMathFunction	Base class for a single variable input mathematical Function, with specialized 'eval' implementations that that operate on primitive number types
InputBindings.InputSupplier
LambdaExpr
NamedFunction	Common stuff for "named" functions of "functional" expressions, such as FunctionExpr, ApplyFunctionExpr, and ExprMacroTable.ExprMacroFunctionExpr.
SettableObjectBinding	Simple map backed object binding

Classes in org.apache.druid.math.expr used by org.apache.druid.math.expr.vector

Class	Description
ApplyFunction	Base interface describing the mechanism used to evaluate an ApplyFunctionExpr, which 'applies' a LambdaExpr to one or more array Expr.
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
Expr.VectorInputBinding	Mechanism to supply batches of input values to a ExprVectorProcessor for optimized processing.
Expr.VectorInputBindingInspector	Expr.InputBindingInspector + vectorizations stuff for Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector)
ExpressionType	The type system used to process Druid expressions.
ExprMacroTable.ExprMacro
Function	Base interface describing the mechanism used to evaluate a FunctionExpr.
LambdaExpr

Classes in org.apache.druid.math.expr used by org.apache.druid.query

Class	Description
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.query.aggregation

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
Expr.ObjectBinding	Mechanism to supply values to back IdentifierExpr during expression evaluation
ExpressionType	The type system used to process Druid expressions.
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.query.aggregation.post

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.query.expression

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
Expr.ObjectBinding	Mechanism to supply values to back IdentifierExpr during expression evaluation
Expr.VectorInputBindingInspector	Expr.InputBindingInspector + vectorizations stuff for Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector)
ExpressionType	The type system used to process Druid expressions.
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.
ExprMacroTable.BaseMacroFunctionExpr	Base class for Expr from ExprMacroTable.ExprMacro.
ExprMacroTable.BaseScalarMacroFunctionExpr	Base class for Expr from ExprMacroTable.ExprMacro that accepts all-scalar arguments.
ExprMacroTable.ExprMacro
ExprMacroTable.ExprMacroFunctionExpr	stub interface to allow Parser.flatten(Expr) a way to recognize macro functions that exend this
NamedFunction	Common stuff for "named" functions of "functional" expressions, such as FunctionExpr, ApplyFunctionExpr, and ExprMacroTable.ExprMacroFunctionExpr.

Classes in org.apache.druid.math.expr used by org.apache.druid.query.filter

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
ExpressionType	The type system used to process Druid expressions.
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.query.rowsandcols.semantic

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.query.scan

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
ExpressionType	The type system used to process Druid expressions.
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.column

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.filter

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.incremental

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.join

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.join.filter

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.join.lookup

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.join.table

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.nested

Class	Description
ExpressionType	The type system used to process Druid expressions.

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.shim

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.transform

Class	Description
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.vector

Class	Description
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
ExpressionType	The type system used to process Druid expressions.

Classes in org.apache.druid.math.expr used by org.apache.druid.segment.virtual

Class	Description
Expr	Base interface of Druid expression language abstract syntax tree nodes.
Expr.BindingAnalysis	Information about the context in which IdentifierExpr are used in a greater Expr, listing the 'free variables' (total set of required input columns or values) and distinguishing between which identifiers are used as scalar inputs and which are used as array inputs.
Expr.InputBindingInspector	Mechanism to supply input types for the bindings which will back IdentifierExpr, to use in the aid of inferring the output type of an expression with Expr.getOutputType(org.apache.druid.math.expr.Expr.InputBindingInspector).
Expr.ObjectBinding	Mechanism to supply values to back IdentifierExpr during expression evaluation
Expr.VectorInputBinding	Mechanism to supply batches of input values to a ExprVectorProcessor for optimized processing.
Expr.VectorInputBindingInspector	Expr.InputBindingInspector + vectorizations stuff for Expr.asVectorProcessor(org.apache.druid.math.expr.Expr.VectorInputBindingInspector)
ExpressionType	The type system used to process Druid expressions.
ExprEval	Generic result holder for evaluated Expr containing the value and ExprType of the value to allow
ExprMacroTable	Mechanism by which Druid expressions can define new functions for the Druid expression language.