SqlResultSet Class Reference

The result of an SQL query, use GetSqlResultSetColumn operation to access results.

#include <DataAnalysis/DataStructures/sqlresultset.h>

Public Member Functions
	SqlResultSet ()
virtual	~SqlResultSet ()
void	clear ()
bool	exec (QString queryString, const QSqlDatabase &db=QSqlDatabase())
QSqlQuery	forwardOnlyQuery () const
QSqlError	lastError () const
QSqlQuery	query () const
int	size () const

Constructor & Destructor Documentation

SqlResultSet()

SqlResultSet

(

)

~SqlResultSet()

~SqlResultSet ( )

virtual

Member Function Documentation

clear()

void clear

(

)

clear context

exec()

bool exec	(	QString	queryString,
		const QSqlDatabase &	db = QSqlDatabase()
	)

Parameters

queryString	the SQL query string
db	the database

Execute an SQL query on the result set.

forwardOnlyQuery()

QSqlQuery forwardOnlyQuery

(

)

const

forward only query.

Note

This could abandon cached result and re-execute query.

lastError()

QSqlError lastError

(

)

const

get last error from QSqlQuery

query()

QSqlQuery query

(

)

const

size()

int size

(

)

const

return size of records

Note

If the underlying SQL driver does not support size feature, this function will try work through the records to count the size.