Interface for user defined aggregate functions. More...

#include <wxsqlite3.h>

Public Member Functions
	wxSQLite3AggregateFunction ()
	Constructor.

virtual	~wxSQLite3AggregateFunction ()
	Virtual destructor.

virtual void	Aggregate (wxSQLite3FunctionContext &ctx)=0
	Execute the aggregate of the function.

virtual void	Finalize (wxSQLite3FunctionContext &ctx)=0
	Prepare the result of the aggregate function.

Friends
class	wxSQLite3FunctionContext

Detailed Description

Interface for user defined aggregate functions.

Constructor & Destructor Documentation

◆ wxSQLite3AggregateFunction()

wxSQLite3AggregateFunction::wxSQLite3AggregateFunction ( )

inline

Constructor.

◆ ~wxSQLite3AggregateFunction()

virtual wxSQLite3AggregateFunction::~wxSQLite3AggregateFunction ( )

inlinevirtual

Virtual destructor.

Member Function Documentation

◆ Aggregate()

virtual void wxSQLite3AggregateFunction::Aggregate ( wxSQLite3FunctionContext & ctx )

pure virtual

Execute the aggregate of the function.

This method is invoked for each row of the result set of the query using the aggregate function.

Parameters

ctx	function context which can be used to access arguments and result value

◆ Finalize()

virtual void wxSQLite3AggregateFunction::Finalize ( wxSQLite3FunctionContext & ctx )

pure virtual

Prepare the result of the aggregate function.

This method is invoked after all rows of the result set of the query using the aggregate function have been processed. Usually the final result is calculated and returned in this method.

Parameters

ctx	function context which can be used to access arguments and result value

Friends And Related Symbol Documentation

◆ wxSQLite3FunctionContext

friend class wxSQLite3FunctionContext

friend

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

wxsqlite3.h

Public Member Functions

Friends