mirror of
https://github.com/pocoproject/poco.git
synced 2025-03-30 07:26:33 +02:00
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
//
|
|
// RecordSet.cpp
|
|
//
|
|
// $Id: //poco/Main/Data/samples/RecordSet/src/RecordSet.cpp#2 $
|
|
//
|
|
// This sample demonstrates the Data library.
|
|
//
|
|
/// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
|
|
#include "Poco/SharedPtr.h"
|
|
#include "Poco/Data/SessionFactory.h"
|
|
#include "Poco/Data/Session.h"
|
|
#include "Poco/Data/RecordSet.h"
|
|
#include "Poco/Data/Column.h"
|
|
#include "Poco/Data/SQLite/Connector.h"
|
|
#include <iostream>
|
|
|
|
|
|
using namespace Poco::Data::Keywords;
|
|
using Poco::Data::Session;
|
|
using Poco::Data::Statement;
|
|
using Poco::Data::RecordSet;
|
|
|
|
|
|
struct Person
|
|
{
|
|
std::string name;
|
|
std::string address;
|
|
int age;
|
|
};
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
// register SQLite connector
|
|
Poco::Data::SQLite::Connector::registerConnector();
|
|
|
|
// create a session
|
|
Session session("SQLite", "sample.db");
|
|
|
|
// drop sample table, if it exists
|
|
session << "DROP TABLE IF EXISTS Person", now;
|
|
|
|
// (re)create table
|
|
session << "CREATE TABLE Person (Name VARCHAR(30), Address VARCHAR, Age INTEGER(3))", now;
|
|
|
|
// insert some rows
|
|
session << "INSERT INTO Person VALUES('Bart Simpson', 'Springfield', 12)", now;
|
|
session << "INSERT INTO Person VALUES('Lisa Simpson', 'Springfield', 10)", now;
|
|
|
|
// a simple query
|
|
Statement select(session);
|
|
select << "SELECT * FROM Person";
|
|
select.execute();
|
|
|
|
// create a RecordSet
|
|
RecordSet rs(select);
|
|
std::size_t cols = rs.columnCount();
|
|
// print all column names
|
|
for (std::size_t col = 0; col < cols; ++col)
|
|
{
|
|
std::cout << rs.columnName(col) << std::endl;
|
|
}
|
|
// iterate over all rows and columns
|
|
bool more = rs.moveFirst();
|
|
while (more)
|
|
{
|
|
for (std::size_t col = 0; col < cols; ++col)
|
|
{
|
|
std::cout << rs[col].convert<std::string>() << " ";
|
|
}
|
|
std::cout << std::endl;
|
|
more = rs.moveNext();
|
|
}
|
|
|
|
return 0;
|
|
}
|