Class for parsing SQL results using Nanodbc. More...

#include <nanodbcParser.h>

Public Member Functions
Constructors / Destructors
	NanodbcParser ()
	Default constructor: create a parser without being connected.
	NanodbcParser (nanodbc::connection &connection, const std::string &query)
	constructor that executes an SQL query if the connection is active
virtual	~NanodbcParser ()
	destructor
Accessors / Modifiers
bool	next ()
	Gets the next line of the SQL stream and parses it.
const std::vector< std::string > &	current () const
	returns the current parsed line.
std::size_t	nbLine () const
	returns the current line number within the query
std::size_t	nbColumns () const
	returns the number of columns in the query result
std::string	columnName (const std::size_t i) const
	returns the name of the ith column
void	useNewQuery (nanodbc::connection &connexion, const std::string &query)
	start a new query

Detailed Description

Class for parsing SQL results using Nanodbc.

This class should probably not be used by itself. It is essentially used by Class DBInitializerFromSQL.

Definition at line 53 of file nanodbcParser.h.

Constructor & Destructor Documentation

◆ NanodbcParser() [1/2]

gum::learning::NanodbcParser::NanodbcParser ( )

Default constructor: create a parser without being connected.

◆ NanodbcParser() [2/2]

gum::learning::NanodbcParser::NanodbcParser	(	nanodbc::connection &	connection,
		const std::string &	query )

constructor that executes an SQL query if the connection is active

Parameters

connection	a nanODBC connection to a SQL database
query	a string containing an SQL query

◆ ~NanodbcParser()

virtual gum::learning::NanodbcParser::~NanodbcParser ( )

virtual

destructor

Member Function Documentation

◆ columnName()

std::string gum::learning::NanodbcParser::columnName ( const std::size_t i ) const

returns the name of the ith column

◆ current()

const std::vector< std::string > & gum::learning::NanodbcParser::current ( ) const

returns the current parsed line.

Exceptions

NullElement is raised if there is no data.

◆ nbColumns()

std::size_t gum::learning::NanodbcParser::nbColumns ( ) const

returns the number of columns in the query result

◆ nbLine()

std::size_t gum::learning::NanodbcParser::nbLine ( ) const

returns the current line number within the query

◆ next()

bool gum::learning::NanodbcParser::next ( )

Gets the next line of the SQL stream and parses it.

Returns: false if there is no next line.

◆ useNewQuery()

void gum::learning::NanodbcParser::useNewQuery	(	nanodbc::connection &	connexion,
		const std::string &	query )

start a new query

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

agrum/base/database/nanodbcParser.h

Public Member Functions