sl3::RowCallback Class Reference

Callback for SQL Select statements. More...

#include <sl3/rowcallback.hpp>

Protected Member Functions
	RowCallback () noexcept=default
	Constructor.
virtual	~RowCallback () noexcept=default
	Constructor.
virtual bool	onRow (Columns columns)=0
	Process one row of the result from a SELECT statement.
virtual void	onStart ()
	Called before a query result will be processed.
virtual void	onEnd ()
	Called after a query result has been processed.

Detailed Description

Callback for SQL Select statements.

This interface can be used to process through the result of a SQL statement.

Constructor & Destructor Documentation

RowCallback()

sl3::RowCallback::RowCallback ( )

protecteddefaultnoexcept

Constructor.

~RowCallback()

virtual sl3::RowCallback::~RowCallback ( )

protectedvirtualdefaultnoexcept

Constructor.

Member Function Documentation

onEnd()

virtual void sl3::RowCallback::onEnd ( )

protectedvirtual

Called after a query result has been processed.

The default implementation does nothing.

onRow()

virtual bool sl3::RowCallback::onRow ( Columns columns )

protectedpure virtual

Process one row of the result from a SELECT statement.

Parameters

columns

Columns object for accessing values.

Returns

false if processing the query result shall stop
true otherwise

onStart()

virtual void sl3::RowCallback::onStart ( )

protectedvirtual

Called before a query result will be processed.

The default implementation does nothing.

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

• include/sl3/rowcallback.hpp