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#include "cmdline.h"
#include "printdata.h"
#include "stock.h"
#include <iostream>
using namespace std;
int
main(int argc, char *argv[])
{
// Get database access parameters from command line
mysqlpp::examples::CommandLine cmdline(argc, argv);
if (!cmdline) {
return 1;
}
try {
// Establish the connection to the database server.
mysqlpp::Connection con(mysqlpp::examples::db_name,
cmdline.server(), cmdline.user(), cmdline.pass());
// Retrieve all rows from the stock table and put them in an
// STL set. Notice that this works just as well as storing them
// in a vector, which we did in ssqls1.cpp. It works because
// SSQLS objects are less-than comparable.
mysqlpp::Query query = con.query("select * from stock");
set<stock> res;
query.storein(res);
// Display the result set. Since it is an STL set and we set up
// the SSQLS to compare based on the item column, the rows will
// be sorted by item.
print_stock_header(res.size());
set<stock>::iterator it;
cout.precision(3);
for (it = res.begin(); it != res.end(); ++it) {
print_stock_row(it->item.c_str(), it->num, it->weight,
it->price, it->sDate);
}
// Use set's find method to look up a stock item by item name.
// This also uses the SSQLS comparison setup.
it = res.find(stock("Hotdog Buns"));
if (it != res.end()) {
cout << endl << "Currently " << it->num <<
" hotdog buns in stock." << endl;
}
else {
cout << endl << "Sorry, no hotdog buns in stock." << endl;
}
}
catch (const mysqlpp::BadQuery& er) {
// Handle any query errors
cerr << "Query error: " << er.what() << endl;
return -1;
}
catch (const mysqlpp::BadConversion& er) {
// Handle bad conversions
cerr << "Conversion error: " << er.what() << endl <<
"\tretrieved data size: " << er.retrieved <<
", actual size: " << er.actual_size << endl;
return -1;
}
catch (const mysqlpp::Exception& er) {
// Catch-all for any other MySQL++ exceptions
cerr << "Error: " << er.what() << endl;
return -1;
}
return 0;
}
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