Implements a function to extract features from customer data. More...

#include <FraudDetectionFunctions.h>

Inheritance diagram for GetCustomerFeatures:

Public Member Functions
void	apply (const SelectivityVector &rows, std::vector< VectorPtr > &args, const TypePtr &type, exec::EvalCtx &context, VectorPtr &output) const override
	Applies the function to extract customer features.

float *	getTensor () const override
	Returns the tensor associated with the function.

CostEstimate	getCost (std::vector< int > inputDims)
	Estimates the cost of the function.

Public Member Functions inherited from MLFunction
virtual	~MLFunction ()=default
	Virtual destructor.

virtual std::vector< int >	getDims ()
	Returns the dimensions of the function.

virtual std::string	getFuncName ()
	Returns the name of the function.

virtual int	getNumDims ()
	Returns the number of dimensions of the function.

Static Public Member Functions
static std::vector< std::shared_ptr< exec::FunctionSignature > >	signatures ()
	Returns the function signatures.

static std::string	getName ()
	Returns the name of the function.

Additional Inherited Members
Protected Member Functions inherited from MLFunction
double	getWeightedCost (std::string name, float cost)
	Calculates the weighted cost of the function.

std::vector< double >	getCoefficientVector (std::string name)
	Retrieves the cost coefficients for the function.

Protected Attributes inherited from MLFunction
std::vector< int >	dims
	Dimensions of the function.

Detailed Description

Implements a function to extract features from customer data.

Member Function Documentation

◆ apply()

void GetCustomerFeatures::apply	(	const SelectivityVector &	rows,
		std::vector< VectorPtr > &	args,
		const TypePtr &	type,
		exec::EvalCtx &	context,
		VectorPtr &	output ) const

inlineoverride

Applies the function to extract customer features.

Parameters

rows	Selectivity vector indicating which rows to process.
args	Vector of input arguments.
type	Type of the output vector.
context	Evaluation context.
output	Output vector to store the results.

◆ getCost()

CostEstimate GetCustomerFeatures::getCost ( std::vector< int > inputDims )

inlinevirtual

Estimates the cost of the function.

Parameters

inputDims Dimensions of the input.

Returns: Cost estimate.

Reimplemented from MLFunction.

◆ getName()

static std::string GetCustomerFeatures::getName ( )

inlinestatic

Returns the name of the function.

Returns: Function name.

◆ getTensor()

float * GetCustomerFeatures::getTensor ( ) const

inlineoverridevirtual

Returns the tensor associated with the function.

Returns: Pointer to the tensor.

Implements MLFunction.

◆ signatures()

static std::vector< std::shared_ptr< exec::FunctionSignature > > GetCustomerFeatures::signatures ( )

inlinestatic

Returns the function signatures.

Returns: Vector of function signatures.

The documentation for this class was generated from the following file:

FraudDetectionFunctions.h

Public Member Functions

Static Public Member Functions