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//
// Binding.cpp
//
// $Id: //poco/Main/Data/samples/Binding/src/Binding.cpp#2 $
//
// This sample demonstrates the Data library.
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
#include "Poco/Data/Session.h"
#include "Poco/Data/SQLite/Connector.h"
#include <vector>
#include <iostream>
using namespace Poco::Data::Keywords;
using Poco::Data::Session;
using Poco::Data::Statement;
struct Person
{
std::string name;
std::string address;
int age;
};
int main(int argc, char** argv)
{
// 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
Person person =
{
"Bart Simpson",
"Springfield",
12
};
Statement insert(session);
insert << "INSERT INTO Person VALUES(?, ?, ?)",
use(person.name),
use(person.address),
use(person.age);
insert.execute();
person.name = "Lisa Simpson";
person.address = "Springfield";
person.age = 10;
insert.execute();
// a simple query
Statement select(session);
select << "SELECT Name, Address, Age FROM Person",
into(person.name),
into(person.address),
into(person.age),
range(0, 1); // iterate over result set one row at a time
while (!select.done())
{
select.execute();
std::cout << person.name << " " << person.address << " " << person.age << std::endl;
}
// another query - store the result in a container
std::vector<std::string> names;
session << "SELECT Name FROM Person",
into(names),
now;
for (std::vector<std::string>::const_iterator it = names.begin(); it != names.end(); ++it)
{
std::cout << *it << std::endl;
}
return 0;
}